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Finding the Fourth Proportional to 100,244.80, 138,242.22 and 59,951.92

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Solution

The fourth proportional to 100,244.80, 138,242.22 and 59,951.92 is: 82,676.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,244.80 : 138,242.22 = 59,951.92 : x
  2. Step 2: Convert to fraction form
    100,244.80/138,242.22 = 59,951.92/x
  3. Step 3: Cross multiply
    100,244.80x = 138,242.22 × 59,951.92
  4. Step 4: Simplify right side
    100,244.80x = 8,287,886,514.06
  5. Step 5: Solve for x
    x = 8,287,886,514.06/100,244.80
  6. Step 6: Final answer
    x = 82,676.47

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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.