Home / 198,549.68-297,947.63-80,222.04

Finding the Fourth Proportional to 198,549.68, 297,947.63 and 80,222.04

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Solution

The fourth proportional to 198,549.68, 297,947.63 and 80,222.04 is: 120,382.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,549.68 : 297,947.63 = 80,222.04 : x
  2. Step 2: Convert to fraction form
    198,549.68/297,947.63 = 80,222.04/x
  3. Step 3: Cross multiply
    198,549.68x = 297,947.63 × 80,222.04
  4. Step 4: Simplify right side
    198,549.68x = 23,901,966,892.32
  5. Step 5: Solve for x
    x = 23,901,966,892.32/198,549.68
  6. Step 6: Final answer
    x = 120,382.81

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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.