Home / 125,322.18-172,944.66-67,961.49

Finding the Fourth Proportional to 125,322.18, 172,944.66 and 67,961.49

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Solution

The fourth proportional to 125,322.18, 172,944.66 and 67,961.49 is: 93,786.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,322.18 : 172,944.66 = 67,961.49 : x
  2. Step 2: Convert to fraction form
    125,322.18/172,944.66 = 67,961.49/x
  3. Step 3: Cross multiply
    125,322.18x = 172,944.66 × 67,961.49
  4. Step 4: Simplify right side
    125,322.18x = 11,753,576,031.20
  5. Step 5: Solve for x
    x = 11,753,576,031.20/125,322.18
  6. Step 6: Final answer
    x = 93,786.88

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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.