Home / 125,062.40-172,586.10-68,473.76

Finding the Fourth Proportional to 125,062.40, 172,586.10 and 68,473.76

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Solution

The fourth proportional to 125,062.40, 172,586.10 and 68,473.76 is: 94,493.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,062.40 : 172,586.10 = 68,473.76 : x
  2. Step 2: Convert to fraction form
    125,062.40/172,586.10 = 68,473.76/x
  3. Step 3: Cross multiply
    125,062.40x = 172,586.10 × 68,473.76
  4. Step 4: Simplify right side
    125,062.40x = 11,817,619,190.74
  5. Step 5: Solve for x
    x = 11,817,619,190.74/125,062.40
  6. Step 6: Final answer
    x = 94,493.78

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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.