Home / 242,254.38-363,304.08-80,118.32

Finding the Fourth Proportional to 242,254.38, 363,304.08 and 80,118.32

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Solution

The fourth proportional to 242,254.38, 363,304.08 and 80,118.32 is: 120,151.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,254.38 : 363,304.08 = 80,118.32 : x
  2. Step 2: Convert to fraction form
    242,254.38/363,304.08 = 80,118.32/x
  3. Step 3: Cross multiply
    242,254.38x = 363,304.08 × 80,118.32
  4. Step 4: Simplify right side
    242,254.38x = 29,107,312,538.75
  5. Step 5: Solve for x
    x = 29,107,312,538.75/242,254.38
  6. Step 6: Final answer
    x = 120,151.85

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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.