Home / 87,173.94-120,296.10-53,177.03

Finding the Fourth Proportional to 87,173.94, 120,296.10 and 53,177.03

Calculator

Solution

The fourth proportional to 87,173.94, 120,296.10 and 53,177.03 is: 73,381.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,173.94 : 120,296.10 = 53,177.03 : x
  2. Step 2: Convert to fraction form
    87,173.94/120,296.10 = 53,177.03/x
  3. Step 3: Cross multiply
    87,173.94x = 120,296.10 × 53,177.03
  4. Step 4: Simplify right side
    87,173.94x = 6,396,989,318.58
  5. Step 5: Solve for x
    x = 6,396,989,318.58/87,173.94
  6. Step 6: Final answer
    x = 73,381.90

Related Problems

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.