Home / 120,951.10-181,464.92-54,397.04

Finding the Fourth Proportional to 120,951.10, 181,464.92 and 54,397.04

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Solution

The fourth proportional to 120,951.10, 181,464.92 and 54,397.04 is: 81,612.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,951.10 : 181,464.92 = 54,397.04 : x
  2. Step 2: Convert to fraction form
    120,951.10/181,464.92 = 54,397.04/x
  3. Step 3: Cross multiply
    120,951.10x = 181,464.92 × 54,397.04
  4. Step 4: Simplify right side
    120,951.10x = 9,871,154,693.51
  5. Step 5: Solve for x
    x = 9,871,154,693.51/120,951.10
  6. Step 6: Final answer
    x = 81,612.77

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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.