Home / 242,378.38-363,641.82-124,132.78

Finding the Fourth Proportional to 242,378.38, 363,641.82 and 124,132.78

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Solution

The fourth proportional to 242,378.38, 363,641.82 and 124,132.78 is: 186,237.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,378.38 : 363,641.82 = 124,132.78 : x
  2. Step 2: Convert to fraction form
    242,378.38/363,641.82 = 124,132.78/x
  3. Step 3: Cross multiply
    242,378.38x = 363,641.82 × 124,132.78
  4. Step 4: Simplify right side
    242,378.38x = 45,139,870,040.86
  5. Step 5: Solve for x
    x = 45,139,870,040.86/242,378.38
  6. Step 6: Final answer
    x = 186,237.20

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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.