Home / 141,982.92-195,849.60-90,978.48

Finding the Fourth Proportional to 141,982.92, 195,849.60 and 90,978.48

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Solution

The fourth proportional to 141,982.92, 195,849.60 and 90,978.48 is: 125,494.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,982.92 : 195,849.60 = 90,978.48 : x
  2. Step 2: Convert to fraction form
    141,982.92/195,849.60 = 90,978.48/x
  3. Step 3: Cross multiply
    141,982.92x = 195,849.60 × 90,978.48
  4. Step 4: Simplify right side
    141,982.92x = 17,818,098,916.61
  5. Step 5: Solve for x
    x = 17,818,098,916.61/141,982.92
  6. Step 6: Final answer
    x = 125,494.66

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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.