Home / 198,261.47-297,265.84-130,715.57

Finding the Fourth Proportional to 198,261.47, 297,265.84 and 130,715.57

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Solution

The fourth proportional to 198,261.47, 297,265.84 and 130,715.57 is: 195,990.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,261.47 : 297,265.84 = 130,715.57 : x
  2. Step 2: Convert to fraction form
    198,261.47/297,265.84 = 130,715.57/x
  3. Step 3: Cross multiply
    198,261.47x = 297,265.84 × 130,715.57
  4. Step 4: Simplify right side
    198,261.47x = 38,857,273,717.13
  5. Step 5: Solve for x
    x = 38,857,273,717.13/198,261.47
  6. Step 6: Final answer
    x = 195,990.04

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1.5x scale

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.