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Finding the Fourth Proportional to 168,118, 232,002.84 and 92,668.12

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Solution

The fourth proportional to 168,118, 232,002.84 and 92,668.12 is: 127,882.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,118 : 232,002.84 = 92,668.12 : x
  2. Step 2: Convert to fraction form
    168,118/232,002.84 = 92,668.12/x
  3. Step 3: Cross multiply
    168,118x = 232,002.84 × 92,668.12
  4. Step 4: Simplify right side
    168,118x = 21,499,267,017.46
  5. Step 5: Solve for x
    x = 21,499,267,017.46/168,118
  6. Step 6: Final answer
    x = 127,882.01

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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.