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Finding the Fourth Proportional to 168,397.76, 232,288.08 and 123,020.30

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Solution

The fourth proportional to 168,397.76, 232,288.08 and 123,020.30 is: 169,694.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,397.76 : 232,288.08 = 123,020.30 : x
  2. Step 2: Convert to fraction form
    168,397.76/232,288.08 = 123,020.30/x
  3. Step 3: Cross multiply
    168,397.76x = 232,288.08 × 123,020.30
  4. Step 4: Simplify right side
    168,397.76x = 28,576,149,288.02
  5. Step 5: Solve for x
    x = 28,576,149,288.02/168,397.76
  6. Step 6: Final answer
    x = 169,694.36

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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.