Home / 108,122.61-149,279.41-96,772.42

Finding the Fourth Proportional to 108,122.61, 149,279.41 and 96,772.42

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Solution

The fourth proportional to 108,122.61, 149,279.41 and 96,772.42 is: 133,608.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,122.61 : 149,279.41 = 96,772.42 : x
  2. Step 2: Convert to fraction form
    108,122.61/149,279.41 = 96,772.42/x
  3. Step 3: Cross multiply
    108,122.61x = 149,279.41 × 96,772.42
  4. Step 4: Simplify right side
    108,122.61x = 14,446,129,761.87
  5. Step 5: Solve for x
    x = 14,446,129,761.87/108,122.61
  6. Step 6: Final answer
    x = 133,608.78

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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.