Home / 123,747.90-185,621.85-89,015.10

Finding the Fourth Proportional to 123,747.90, 185,621.85 and 89,015.10

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Solution

The fourth proportional to 123,747.90, 185,621.85 and 89,015.10 is: 133,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,747.90 : 185,621.85 = 89,015.10 : x
  2. Step 2: Convert to fraction form
    123,747.90/185,621.85 = 89,015.10/x
  3. Step 3: Cross multiply
    123,747.90x = 185,621.85 × 89,015.10
  4. Step 4: Simplify right side
    123,747.90x = 16,523,147,539.94
  5. Step 5: Solve for x
    x = 16,523,147,539.94/123,747.90
  6. Step 6: Final answer
    x = 133,522.65

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Similar ratio
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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.