Home / 120,937.20-181,343.58-54,320.16

Finding the Fourth Proportional to 120,937.20, 181,343.58 and 54,320.16

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Solution

The fourth proportional to 120,937.20, 181,343.58 and 54,320.16 is: 81,452.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,937.20 : 181,343.58 = 54,320.16 : x
  2. Step 2: Convert to fraction form
    120,937.20/181,343.58 = 54,320.16/x
  3. Step 3: Cross multiply
    120,937.20x = 181,343.58 × 54,320.16
  4. Step 4: Simplify right side
    120,937.20x = 9,850,612,280.57
  5. Step 5: Solve for x
    x = 9,850,612,280.57/120,937.20
  6. Step 6: Final answer
    x = 81,452.29

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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.