Home / 98,344.17-135,714.92-55,905.39

Finding the Fourth Proportional to 98,344.17, 135,714.92 and 55,905.39

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Solution

The fourth proportional to 98,344.17, 135,714.92 and 55,905.39 is: 77,149.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,344.17 : 135,714.92 = 55,905.39 : x
  2. Step 2: Convert to fraction form
    98,344.17/135,714.92 = 55,905.39/x
  3. Step 3: Cross multiply
    98,344.17x = 135,714.92 × 55,905.39
  4. Step 4: Simplify right side
    98,344.17x = 7,587,195,251.89
  5. Step 5: Solve for x
    x = 7,587,195,251.89/98,344.17
  6. Step 6: Final answer
    x = 77,149.42

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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.