Home / 179,494.38-247,691.12-98,917.40

Finding the Fourth Proportional to 179,494.38, 247,691.12 and 98,917.40

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Solution

The fourth proportional to 179,494.38, 247,691.12 and 98,917.40 is: 136,499.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,494.38 : 247,691.12 = 98,917.40 : x
  2. Step 2: Convert to fraction form
    179,494.38/247,691.12 = 98,917.40/x
  3. Step 3: Cross multiply
    179,494.38x = 247,691.12 × 98,917.40
  4. Step 4: Simplify right side
    179,494.38x = 24,500,961,718.13
  5. Step 5: Solve for x
    x = 24,500,961,718.13/179,494.38
  6. Step 6: Final answer
    x = 136,499.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.