Home / 185,781.74-278,672.60-80,598.38

Finding the Fourth Proportional to 185,781.74, 278,672.60 and 80,598.38

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Solution

The fourth proportional to 185,781.74, 278,672.60 and 80,598.38 is: 120,897.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,781.74 : 278,672.60 = 80,598.38 : x
  2. Step 2: Convert to fraction form
    185,781.74/278,672.60 = 80,598.38/x
  3. Step 3: Cross multiply
    185,781.74x = 278,672.60 × 80,598.38
  4. Step 4: Simplify right side
    185,781.74x = 22,460,558,918.52
  5. Step 5: Solve for x
    x = 22,460,558,918.52/185,781.74
  6. Step 6: Final answer
    x = 120,897.56

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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.