Home / 98,850.38-148,294.19-39,690.61

Finding the Fourth Proportional to 98,850.38, 148,294.19 and 39,690.61

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Solution

The fourth proportional to 98,850.38, 148,294.19 and 39,690.61 is: 59,543.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,850.38 : 148,294.19 = 39,690.61 : x
  2. Step 2: Convert to fraction form
    98,850.38/148,294.19 = 39,690.61/x
  3. Step 3: Cross multiply
    98,850.38x = 148,294.19 × 39,690.61
  4. Step 4: Simplify right side
    98,850.38x = 5,885,886,589.05
  5. Step 5: Solve for x
    x = 5,885,886,589.05/98,850.38
  6. Step 6: Final answer
    x = 59,543.39

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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.