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Finding the Fourth Proportional to 181,262.62, 250,146.96 and 100,686.28

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Solution

The fourth proportional to 181,262.62, 250,146.96 and 100,686.28 is: 138,949.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,262.62 : 250,146.96 = 100,686.28 : x
  2. Step 2: Convert to fraction form
    181,262.62/250,146.96 = 100,686.28/x
  3. Step 3: Cross multiply
    181,262.62x = 250,146.96 × 100,686.28
  4. Step 4: Simplify right side
    181,262.62x = 25,186,366,855.71
  5. Step 5: Solve for x
    x = 25,186,366,855.71/181,262.62
  6. Step 6: Final answer
    x = 138,949.59

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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.