Home / 98,414.61-147,645.35-31,854.75

Finding the Fourth Proportional to 98,414.61, 147,645.35 and 31,854.75

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Solution

The fourth proportional to 98,414.61, 147,645.35 and 31,854.75 is: 47,789.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,414.61 : 147,645.35 = 31,854.75 : x
  2. Step 2: Convert to fraction form
    98,414.61/147,645.35 = 31,854.75/x
  3. Step 3: Cross multiply
    98,414.61x = 147,645.35 × 31,854.75
  4. Step 4: Simplify right side
    98,414.61x = 4,703,205,712.91
  5. Step 5: Solve for x
    x = 4,703,205,712.91/98,414.61
  6. Step 6: Final answer
    x = 47,789.71

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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.