Home / 103,757.76-155,402.40-62,116.80

Finding the Fourth Proportional to 103,757.76, 155,402.40 and 62,116.80

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Solution

The fourth proportional to 103,757.76, 155,402.40 and 62,116.80 is: 93,034.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,757.76 : 155,402.40 = 62,116.80 : x
  2. Step 2: Convert to fraction form
    103,757.76/155,402.40 = 62,116.80/x
  3. Step 3: Cross multiply
    103,757.76x = 155,402.40 × 62,116.80
  4. Step 4: Simplify right side
    103,757.76x = 9,653,099,800.32
  5. Step 5: Solve for x
    x = 9,653,099,800.32/103,757.76
  6. Step 6: Final answer
    x = 93,034.97

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1.5x scale

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.