Home / 148,013.10-222,019.65-103,689.90

Finding the Fourth Proportional to 148,013.10, 222,019.65 and 103,689.90

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Solution

The fourth proportional to 148,013.10, 222,019.65 and 103,689.90 is: 155,534.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,013.10 : 222,019.65 = 103,689.90 : x
  2. Step 2: Convert to fraction form
    148,013.10/222,019.65 = 103,689.90/x
  3. Step 3: Cross multiply
    148,013.10x = 222,019.65 × 103,689.90
  4. Step 4: Simplify right side
    148,013.10x = 23,021,195,306.54
  5. Step 5: Solve for x
    x = 23,021,195,306.54/148,013.10
  6. Step 6: Final answer
    x = 155,534.85

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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.