Home / 138,877.92-191,188.08-132,530.76

Finding the Fourth Proportional to 138,877.92, 191,188.08 and 132,530.76

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Solution

The fourth proportional to 138,877.92, 191,188.08 and 132,530.76 is: 182,450.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,877.92 : 191,188.08 = 132,530.76 : x
  2. Step 2: Convert to fraction form
    138,877.92/191,188.08 = 132,530.76/x
  3. Step 3: Cross multiply
    138,877.92x = 191,188.08 × 132,530.76
  4. Step 4: Simplify right side
    138,877.92x = 25,338,301,545.34
  5. Step 5: Solve for x
    x = 25,338,301,545.34/138,877.92
  6. Step 6: Final answer
    x = 182,450.18

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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.