Home / 268,126.47-402,239.12-88,221.96

Finding the Fourth Proportional to 268,126.47, 402,239.12 and 88,221.96

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Solution

The fourth proportional to 268,126.47, 402,239.12 and 88,221.96 is: 132,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,126.47 : 402,239.12 = 88,221.96 : x
  2. Step 2: Convert to fraction form
    268,126.47/402,239.12 = 88,221.96/x
  3. Step 3: Cross multiply
    268,126.47x = 402,239.12 × 88,221.96
  4. Step 4: Simplify right side
    268,126.47x = 35,486,323,113.97
  5. Step 5: Solve for x
    x = 35,486,323,113.97/268,126.47
  6. Step 6: Final answer
    x = 132,349.20

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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.