Home / 125,298.69-187,901.19-50,393.52

Finding the Fourth Proportional to 125,298.69, 187,901.19 and 50,393.52

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Solution

The fourth proportional to 125,298.69, 187,901.19 and 50,393.52 is: 75,571.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,298.69 : 187,901.19 = 50,393.52 : x
  2. Step 2: Convert to fraction form
    125,298.69/187,901.19 = 50,393.52/x
  3. Step 3: Cross multiply
    125,298.69x = 187,901.19 × 50,393.52
  4. Step 4: Simplify right side
    125,298.69x = 9,469,002,376.29
  5. Step 5: Solve for x
    x = 9,469,002,376.29/125,298.69
  6. Step 6: Final answer
    x = 75,571.44

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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.