Home / 253,171.64-349,375.92-142,781.52

Finding the Fourth Proportional to 253,171.64, 349,375.92 and 142,781.52

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Solution

The fourth proportional to 253,171.64, 349,375.92 and 142,781.52 is: 197,037.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,171.64 : 349,375.92 = 142,781.52 : x
  2. Step 2: Convert to fraction form
    253,171.64/349,375.92 = 142,781.52/x
  3. Step 3: Cross multiply
    253,171.64x = 349,375.92 × 142,781.52
  4. Step 4: Simplify right side
    253,171.64x = 49,884,424,909.00
  5. Step 5: Solve for x
    x = 49,884,424,909.00/253,171.64
  6. Step 6: Final answer
    x = 197,037.97

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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.