Home / 118,974.11-178,110.56-104,211.86

Finding the Fourth Proportional to 118,974.11, 178,110.56 and 104,211.86

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Solution

The fourth proportional to 118,974.11, 178,110.56 and 104,211.86 is: 156,010.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,974.11 : 178,110.56 = 104,211.86 : x
  2. Step 2: Convert to fraction form
    118,974.11/178,110.56 = 104,211.86/x
  3. Step 3: Cross multiply
    118,974.11x = 178,110.56 × 104,211.86
  4. Step 4: Simplify right side
    118,974.11x = 18,561,232,222.18
  5. Step 5: Solve for x
    x = 18,561,232,222.18/118,974.11
  6. Step 6: Final answer
    x = 156,010.68

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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.