Home / 148,839.90-223,284.45-68,957.70

Finding the Fourth Proportional to 148,839.90, 223,284.45 and 68,957.70

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Solution

The fourth proportional to 148,839.90, 223,284.45 and 68,957.70 is: 103,447.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,839.90 : 223,284.45 = 68,957.70 : x
  2. Step 2: Convert to fraction form
    148,839.90/223,284.45 = 68,957.70/x
  3. Step 3: Cross multiply
    148,839.90x = 223,284.45 × 68,957.70
  4. Step 4: Simplify right side
    148,839.90x = 15,397,182,117.77
  5. Step 5: Solve for x
    x = 15,397,182,117.77/148,839.90
  6. Step 6: Final answer
    x = 103,447.95

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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.