Home / 148,785.80-223,190.84-69,856.97

Finding the Fourth Proportional to 148,785.80, 223,190.84 and 69,856.97

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Solution

The fourth proportional to 148,785.80, 223,190.84 and 69,856.97 is: 104,791.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,785.80 : 223,190.84 = 69,856.97 : x
  2. Step 2: Convert to fraction form
    148,785.80/223,190.84 = 69,856.97/x
  3. Step 3: Cross multiply
    148,785.80x = 223,190.84 × 69,856.97
  4. Step 4: Simplify right side
    148,785.80x = 15,591,434,872.84
  5. Step 5: Solve for x
    x = 15,591,434,872.84/148,785.80
  6. Step 6: Final answer
    x = 104,791.15

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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.