Home / 104,215.78-156,532.90-62,177.88

Finding the Fourth Proportional to 104,215.78, 156,532.90 and 62,177.88

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Solution

The fourth proportional to 104,215.78, 156,532.90 and 62,177.88 is: 93,391.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,215.78 : 156,532.90 = 62,177.88 : x
  2. Step 2: Convert to fraction form
    104,215.78/156,532.90 = 62,177.88/x
  3. Step 3: Cross multiply
    104,215.78x = 156,532.90 × 62,177.88
  4. Step 4: Simplify right side
    104,215.78x = 9,732,883,872.25
  5. Step 5: Solve for x
    x = 9,732,883,872.25/104,215.78
  6. Step 6: Final answer
    x = 93,391.65

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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.