Home / 151,388.79-226,927.32-67,188.61

Finding the Fourth Proportional to 151,388.79, 226,927.32 and 67,188.61

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Solution

The fourth proportional to 151,388.79, 226,927.32 and 67,188.61 is: 100,713.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,388.79 : 226,927.32 = 67,188.61 : x
  2. Step 2: Convert to fraction form
    151,388.79/226,927.32 = 67,188.61/x
  3. Step 3: Cross multiply
    151,388.79x = 226,927.32 × 67,188.61
  4. Step 4: Simplify right side
    151,388.79x = 15,246,930,335.00
  5. Step 5: Solve for x
    x = 15,246,930,335.00/151,388.79
  6. Step 6: Final answer
    x = 100,713.73

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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.