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Finding the Fourth Proportional to 185,874.02, 278,654.31 and 80,613.74

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Solution

The fourth proportional to 185,874.02, 278,654.31 and 80,613.74 is: 120,852.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,874.02 : 278,654.31 = 80,613.74 : x
  2. Step 2: Convert to fraction form
    185,874.02/278,654.31 = 80,613.74/x
  3. Step 3: Cross multiply
    185,874.02x = 278,654.31 × 80,613.74
  4. Step 4: Simplify right side
    185,874.02x = 22,463,366,096.22
  5. Step 5: Solve for x
    x = 22,463,366,096.22/185,874.02
  6. Step 6: Final answer
    x = 120,852.64

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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.