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Finding the Fourth Proportional to 161,134.38, 241,704 and 55,955.88

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Solution

The fourth proportional to 161,134.38, 241,704 and 55,955.88 is: 83,934.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,134.38 : 241,704 = 55,955.88 : x
  2. Step 2: Convert to fraction form
    161,134.38/241,704 = 55,955.88/x
  3. Step 3: Cross multiply
    161,134.38x = 241,704 × 55,955.88
  4. Step 4: Simplify right side
    161,134.38x = 13,524,760,019.52
  5. Step 5: Solve for x
    x = 13,524,760,019.52/161,134.38
  6. Step 6: Final answer
    x = 83,934.66

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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.