Home / 131,128.92-196,849.44-125,781.84

Finding the Fourth Proportional to 131,128.92, 196,849.44 and 125,781.84

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Solution

The fourth proportional to 131,128.92, 196,849.44 and 125,781.84 is: 188,822.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,128.92 : 196,849.44 = 125,781.84 : x
  2. Step 2: Convert to fraction form
    131,128.92/196,849.44 = 125,781.84/x
  3. Step 3: Cross multiply
    131,128.92x = 196,849.44 × 125,781.84
  4. Step 4: Simplify right side
    131,128.92x = 24,760,084,766.17
  5. Step 5: Solve for x
    x = 24,760,084,766.17/131,128.92
  6. Step 6: Final answer
    x = 188,822.46

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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.