Home / 148,443.80-222,471.30-131,725.40

Finding the Fourth Proportional to 148,443.80, 222,471.30 and 131,725.40

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Solution

The fourth proportional to 148,443.80, 222,471.30 and 131,725.40 is: 197,415.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,443.80 : 222,471.30 = 131,725.40 : x
  2. Step 2: Convert to fraction form
    148,443.80/222,471.30 = 131,725.40/x
  3. Step 3: Cross multiply
    148,443.80x = 222,471.30 × 131,725.40
  4. Step 4: Simplify right side
    148,443.80x = 29,305,120,981.02
  5. Step 5: Solve for x
    x = 29,305,120,981.02/148,443.80
  6. Step 6: Final answer
    x = 197,415.59

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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.