Home / 103,552.20-155,229.86-66,006.90

Finding the Fourth Proportional to 103,552.20, 155,229.86 and 66,006.90

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Solution

The fourth proportional to 103,552.20, 155,229.86 and 66,006.90 is: 98,947.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,552.20 : 155,229.86 = 66,006.90 : x
  2. Step 2: Convert to fraction form
    103,552.20/155,229.86 = 66,006.90/x
  3. Step 3: Cross multiply
    103,552.20x = 155,229.86 × 66,006.90
  4. Step 4: Simplify right side
    103,552.20x = 10,246,242,011.05
  5. Step 5: Solve for x
    x = 10,246,242,011.05/103,552.20
  6. Step 6: Final answer
    x = 98,947.60

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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.