Home / 99,638.10-149,255.55-62,082.90

Finding the Fourth Proportional to 99,638.10, 149,255.55 and 62,082.90

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Solution

The fourth proportional to 99,638.10, 149,255.55 and 62,082.90 is: 92,998.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,638.10 : 149,255.55 = 62,082.90 : x
  2. Step 2: Convert to fraction form
    99,638.10/149,255.55 = 62,082.90/x
  3. Step 3: Cross multiply
    99,638.10x = 149,255.55 × 62,082.90
  4. Step 4: Simplify right side
    99,638.10x = 9,266,217,385.10
  5. Step 5: Solve for x
    x = 9,266,217,385.10/99,638.10
  6. Step 6: Final answer
    x = 92,998.74

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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.