Home / 125,721.09-188,587.54-41,488.61

Finding the Fourth Proportional to 125,721.09, 188,587.54 and 41,488.61

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Solution

The fourth proportional to 125,721.09, 188,587.54 and 41,488.61 is: 62,234.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,721.09 : 188,587.54 = 41,488.61 : x
  2. Step 2: Convert to fraction form
    125,721.09/188,587.54 = 41,488.61/x
  3. Step 3: Cross multiply
    125,721.09x = 188,587.54 × 41,488.61
  4. Step 4: Simplify right side
    125,721.09x = 7,824,234,897.92
  5. Step 5: Solve for x
    x = 7,824,234,897.92/125,721.09
  6. Step 6: Final answer
    x = 62,234.86

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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.