Home / 98,864.34-136,432.82-53,542.71

Finding the Fourth Proportional to 98,864.34, 136,432.82 and 53,542.71

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Solution

The fourth proportional to 98,864.34, 136,432.82 and 53,542.71 is: 73,888.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,864.34 : 136,432.82 = 53,542.71 : x
  2. Step 2: Convert to fraction form
    98,864.34/136,432.82 = 53,542.71/x
  3. Step 3: Cross multiply
    98,864.34x = 136,432.82 × 53,542.71
  4. Step 4: Simplify right side
    98,864.34x = 7,304,982,915.74
  5. Step 5: Solve for x
    x = 7,304,982,915.74/98,864.34
  6. Step 6: Final answer
    x = 73,888.96

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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.