Home / 109,819.12-151,542-62,076.94

Finding the Fourth Proportional to 109,819.12, 151,542 and 62,076.94

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Solution

The fourth proportional to 109,819.12, 151,542 and 62,076.94 is: 85,661.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,819.12 : 151,542 = 62,076.94 : x
  2. Step 2: Convert to fraction form
    109,819.12/151,542 = 62,076.94/x
  3. Step 3: Cross multiply
    109,819.12x = 151,542 × 62,076.94
  4. Step 4: Simplify right side
    109,819.12x = 9,407,263,641.48
  5. Step 5: Solve for x
    x = 9,407,263,641.48/109,819.12
  6. Step 6: Final answer
    x = 85,661.44

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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.