Home / 98,182.20-147,269.19-31,620.85

Finding the Fourth Proportional to 98,182.20, 147,269.19 and 31,620.85

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Solution

The fourth proportional to 98,182.20, 147,269.19 and 31,620.85 is: 47,429.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,182.20 : 147,269.19 = 31,620.85 : x
  2. Step 2: Convert to fraction form
    98,182.20/147,269.19 = 31,620.85/x
  3. Step 3: Cross multiply
    98,182.20x = 147,269.19 × 31,620.85
  4. Step 4: Simplify right side
    98,182.20x = 4,656,776,966.61
  5. Step 5: Solve for x
    x = 4,656,776,966.61/98,182.20
  6. Step 6: Final answer
    x = 47,429.95

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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.