Home / 88,736.92-133,264.02-85,169.40

Finding the Fourth Proportional to 88,736.92, 133,264.02 and 85,169.40

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Solution

The fourth proportional to 88,736.92, 133,264.02 and 85,169.40 is: 127,906.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,736.92 : 133,264.02 = 85,169.40 : x
  2. Step 2: Convert to fraction form
    88,736.92/133,264.02 = 85,169.40/x
  3. Step 3: Cross multiply
    88,736.92x = 133,264.02 × 85,169.40
  4. Step 4: Simplify right side
    88,736.92x = 11,350,016,624.99
  5. Step 5: Solve for x
    x = 11,350,016,624.99/88,736.92
  6. Step 6: Final answer
    x = 127,906.36

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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.