Home / 132,348.60-198,194.85-84,890.70

Finding the Fourth Proportional to 132,348.60, 198,194.85 and 84,890.70

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Solution

The fourth proportional to 132,348.60, 198,194.85 and 84,890.70 is: 127,125.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,348.60 : 198,194.85 = 84,890.70 : x
  2. Step 2: Convert to fraction form
    132,348.60/198,194.85 = 84,890.70/x
  3. Step 3: Cross multiply
    132,348.60x = 198,194.85 × 84,890.70
  4. Step 4: Simplify right side
    132,348.60x = 16,824,899,552.90
  5. Step 5: Solve for x
    x = 16,824,899,552.90/132,348.60
  6. Step 6: Final answer
    x = 127,125.63

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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.