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Finding the Fourth Proportional to 181,301.77, 271,952.65 and 68,956.03

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Solution

The fourth proportional to 181,301.77, 271,952.65 and 68,956.03 is: 103,434.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,301.77 : 271,952.65 = 68,956.03 : x
  2. Step 2: Convert to fraction form
    181,301.77/271,952.65 = 68,956.03/x
  3. Step 3: Cross multiply
    181,301.77x = 271,952.65 × 68,956.03
  4. Step 4: Simplify right side
    181,301.77x = 18,752,776,379.95
  5. Step 5: Solve for x
    x = 18,752,776,379.95/181,301.77
  6. Step 6: Final answer
    x = 103,434.05

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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.