Home / 80,549.96-120,864.54-36,208.04

Finding the Fourth Proportional to 80,549.96, 120,864.54 and 36,208.04

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Solution

The fourth proportional to 80,549.96, 120,864.54 and 36,208.04 is: 54,329.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,549.96 : 120,864.54 = 36,208.04 : x
  2. Step 2: Convert to fraction form
    80,549.96/120,864.54 = 36,208.04/x
  3. Step 3: Cross multiply
    80,549.96x = 120,864.54 × 36,208.04
  4. Step 4: Simplify right side
    80,549.96x = 4,376,268,098.90
  5. Step 5: Solve for x
    x = 4,376,268,098.90/80,549.96
  6. Step 6: Final answer
    x = 54,329.86

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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.