Home / 163,147.29-225,139.88-90,545.97

Finding the Fourth Proportional to 163,147.29, 225,139.88 and 90,545.97

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Solution

The fourth proportional to 163,147.29, 225,139.88 and 90,545.97 is: 124,951.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,147.29 : 225,139.88 = 90,545.97 : x
  2. Step 2: Convert to fraction form
    163,147.29/225,139.88 = 90,545.97/x
  3. Step 3: Cross multiply
    163,147.29x = 225,139.88 × 90,545.97
  4. Step 4: Simplify right side
    163,147.29x = 20,385,508,367.55
  5. Step 5: Solve for x
    x = 20,385,508,367.55/163,147.29
  6. Step 6: Final answer
    x = 124,951.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.