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Finding the Fourth Proportional to 195,663.60, 293,375.46 and 83,279.82

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Solution

The fourth proportional to 195,663.60, 293,375.46 and 83,279.82 is: 124,868.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,663.60 : 293,375.46 = 83,279.82 : x
  2. Step 2: Convert to fraction form
    195,663.60/293,375.46 = 83,279.82/x
  3. Step 3: Cross multiply
    195,663.60x = 293,375.46 × 83,279.82
  4. Step 4: Simplify right side
    195,663.60x = 24,432,255,502.99
  5. Step 5: Solve for x
    x = 24,432,255,502.99/195,663.60
  6. Step 6: Final answer
    x = 124,868.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.