Home / 109,836.43-151,577.86-60,778.61

Finding the Fourth Proportional to 109,836.43, 151,577.86 and 60,778.61

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Solution

The fourth proportional to 109,836.43, 151,577.86 and 60,778.61 is: 83,876.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,836.43 : 151,577.86 = 60,778.61 : x
  2. Step 2: Convert to fraction form
    109,836.43/151,577.86 = 60,778.61/x
  3. Step 3: Cross multiply
    109,836.43x = 151,577.86 × 60,778.61
  4. Step 4: Simplify right side
    109,836.43x = 9,212,691,864.57
  5. Step 5: Solve for x
    x = 9,212,691,864.57/109,836.43
  6. Step 6: Final answer
    x = 83,876.47

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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.