Home / 100,781.92-151,266.33-50,897.14

Finding the Fourth Proportional to 100,781.92, 151,266.33 and 50,897.14

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Solution

The fourth proportional to 100,781.92, 151,266.33 and 50,897.14 is: 76,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,781.92 : 151,266.33 = 50,897.14 : x
  2. Step 2: Convert to fraction form
    100,781.92/151,266.33 = 50,897.14/x
  3. Step 3: Cross multiply
    100,781.92x = 151,266.33 × 50,897.14
  4. Step 4: Simplify right side
    100,781.92x = 7,699,023,575.30
  5. Step 5: Solve for x
    x = 7,699,023,575.30/100,781.92
  6. Step 6: Final answer
    x = 76,392.90

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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.