Home / 156,067.26-234,135.72-61,306.62

Finding the Fourth Proportional to 156,067.26, 234,135.72 and 61,306.62

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Solution

The fourth proportional to 156,067.26, 234,135.72 and 61,306.62 is: 91,973.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,067.26 : 234,135.72 = 61,306.62 : x
  2. Step 2: Convert to fraction form
    156,067.26/234,135.72 = 61,306.62/x
  3. Step 3: Cross multiply
    156,067.26x = 234,135.72 × 61,306.62
  4. Step 4: Simplify right side
    156,067.26x = 14,354,069,614.47
  5. Step 5: Solve for x
    x = 14,354,069,614.47/156,067.26
  6. Step 6: Final answer
    x = 91,973.61

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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.