Home / 178,856.42-268,292.79-126,499.64

Finding the Fourth Proportional to 178,856.42, 268,292.79 and 126,499.64

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Solution

The fourth proportional to 178,856.42, 268,292.79 and 126,499.64 is: 189,755.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,856.42 : 268,292.79 = 126,499.64 : x
  2. Step 2: Convert to fraction form
    178,856.42/268,292.79 = 126,499.64/x
  3. Step 3: Cross multiply
    178,856.42x = 268,292.79 × 126,499.64
  4. Step 4: Simplify right side
    178,856.42x = 33,938,940,008.13
  5. Step 5: Solve for x
    x = 33,938,940,008.13/178,856.42
  6. Step 6: Final answer
    x = 189,755.23

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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.