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Finding the Fourth Proportional to 161,741.52, 242,251.18 and 124,023.80

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Solution

The fourth proportional to 161,741.52, 242,251.18 and 124,023.80 is: 185,758.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,741.52 : 242,251.18 = 124,023.80 : x
  2. Step 2: Convert to fraction form
    161,741.52/242,251.18 = 124,023.80/x
  3. Step 3: Cross multiply
    161,741.52x = 242,251.18 × 124,023.80
  4. Step 4: Simplify right side
    161,741.52x = 30,044,911,898.08
  5. Step 5: Solve for x
    x = 30,044,911,898.08/161,741.52
  6. Step 6: Final answer
    x = 185,758.81

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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.