Home / 148,839.40-223,283.70-68,957.20

Finding the Fourth Proportional to 148,839.40, 223,283.70 and 68,957.20

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Solution

The fourth proportional to 148,839.40, 223,283.70 and 68,957.20 is: 103,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,839.40 : 223,283.70 = 68,957.20 : x
  2. Step 2: Convert to fraction form
    148,839.40/223,283.70 = 68,957.20/x
  3. Step 3: Cross multiply
    148,839.40x = 223,283.70 × 68,957.20
  4. Step 4: Simplify right side
    148,839.40x = 15,397,018,757.64
  5. Step 5: Solve for x
    x = 15,397,018,757.64/148,839.40
  6. Step 6: Final answer
    x = 103,447.20

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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.