Home / 120,914.20-181,371.30-47,042.20

Finding the Fourth Proportional to 120,914.20, 181,371.30 and 47,042.20

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Solution

The fourth proportional to 120,914.20, 181,371.30 and 47,042.20 is: 70,563.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,914.20 : 181,371.30 = 47,042.20 : x
  2. Step 2: Convert to fraction form
    120,914.20/181,371.30 = 47,042.20/x
  3. Step 3: Cross multiply
    120,914.20x = 181,371.30 × 47,042.20
  4. Step 4: Simplify right side
    120,914.20x = 8,532,104,968.86
  5. Step 5: Solve for x
    x = 8,532,104,968.86/120,914.20
  6. Step 6: Final answer
    x = 70,563.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.