Home / 125,340.52-187,129.97-95,599.72

Finding the Fourth Proportional to 125,340.52, 187,129.97 and 95,599.72

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Solution

The fourth proportional to 125,340.52, 187,129.97 and 95,599.72 is: 142,727.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,340.52 : 187,129.97 = 95,599.72 : x
  2. Step 2: Convert to fraction form
    125,340.52/187,129.97 = 95,599.72/x
  3. Step 3: Cross multiply
    125,340.52x = 187,129.97 × 95,599.72
  4. Step 4: Simplify right side
    125,340.52x = 17,889,572,735.61
  5. Step 5: Solve for x
    x = 17,889,572,735.61/125,340.52
  6. Step 6: Final answer
    x = 142,727.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.