Home / 268,237.30-402,404.55-134,781.70

Finding the Fourth Proportional to 268,237.30, 402,404.55 and 134,781.70

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Solution

The fourth proportional to 268,237.30, 402,404.55 and 134,781.70 is: 202,196.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,237.30 : 402,404.55 = 134,781.70 : x
  2. Step 2: Convert to fraction form
    268,237.30/402,404.55 = 134,781.70/x
  3. Step 3: Cross multiply
    268,237.30x = 402,404.55 × 134,781.70
  4. Step 4: Simplify right side
    268,237.30x = 54,236,769,336.74
  5. Step 5: Solve for x
    x = 54,236,769,336.74/268,237.30
  6. Step 6: Final answer
    x = 202,196.97

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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.