Home / 148,278.60-204,624.11-80,295.59

Finding the Fourth Proportional to 148,278.60, 204,624.11 and 80,295.59

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Solution

The fourth proportional to 148,278.60, 204,624.11 and 80,295.59 is: 110,807.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,278.60 : 204,624.11 = 80,295.59 : x
  2. Step 2: Convert to fraction form
    148,278.60/204,624.11 = 80,295.59/x
  3. Step 3: Cross multiply
    148,278.60x = 204,624.11 × 80,295.59
  4. Step 4: Simplify right side
    148,278.60x = 16,430,414,352.97
  5. Step 5: Solve for x
    x = 16,430,414,352.97/148,278.60
  6. Step 6: Final answer
    x = 110,807.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.