Home / 87,463.20-120,576-73,979.94

Finding the Fourth Proportional to 87,463.20, 120,576 and 73,979.94

Calculator

Solution

The fourth proportional to 87,463.20, 120,576 and 73,979.94 is: 101,988.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,463.20 : 120,576 = 73,979.94 : x
  2. Step 2: Convert to fraction form
    87,463.20/120,576 = 73,979.94/x
  3. Step 3: Cross multiply
    87,463.20x = 120,576 × 73,979.94
  4. Step 4: Simplify right side
    87,463.20x = 8,920,205,245.44
  5. Step 5: Solve for x
    x = 8,920,205,245.44/87,463.20
  6. Step 6: Final answer
    x = 101,988.10

Related Problems

Find fourth proportional to 43,731.60, 60,288 and 36,989.97
Half scale
Find fourth proportional to 174,926.40, 241,152 and 147,959.88
Double scale
Find fourth proportional to 87,464.20, 120,577.38 and 73,980.94
Similar ratio
Find fourth proportional to 131,194.80, 180,864 and 110,969.91
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.