Home / 148,083.20-221,995.20-88,942.40

Finding the Fourth Proportional to 148,083.20, 221,995.20 and 88,942.40

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Solution

The fourth proportional to 148,083.20, 221,995.20 and 88,942.40 is: 133,335.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,083.20 : 221,995.20 = 88,942.40 : x
  2. Step 2: Convert to fraction form
    148,083.20/221,995.20 = 88,942.40/x
  3. Step 3: Cross multiply
    148,083.20x = 221,995.20 × 88,942.40
  4. Step 4: Simplify right side
    148,083.20x = 19,744,785,876.48
  5. Step 5: Solve for x
    x = 19,744,785,876.48/148,083.20
  6. Step 6: Final answer
    x = 133,335.76

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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.