Home / 198,424.18-273,748.20-112,363.39

Finding the Fourth Proportional to 198,424.18, 273,748.20 and 112,363.39

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Solution

The fourth proportional to 198,424.18, 273,748.20 and 112,363.39 is: 155,017.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,424.18 : 273,748.20 = 112,363.39 : x
  2. Step 2: Convert to fraction form
    198,424.18/273,748.20 = 112,363.39/x
  3. Step 3: Cross multiply
    198,424.18x = 273,748.20 × 112,363.39
  4. Step 4: Simplify right side
    198,424.18x = 30,759,275,758.40
  5. Step 5: Solve for x
    x = 30,759,275,758.40/198,424.18
  6. Step 6: Final answer
    x = 155,017.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.