Home / 198,260.97-297,265.10-130,715.07

Finding the Fourth Proportional to 198,260.97, 297,265.10 and 130,715.07

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Solution

The fourth proportional to 198,260.97, 297,265.10 and 130,715.07 is: 195,989.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,260.97 : 297,265.10 = 130,715.07 : x
  2. Step 2: Convert to fraction form
    198,260.97/297,265.10 = 130,715.07/x
  3. Step 3: Cross multiply
    198,260.97x = 297,265.10 × 130,715.07
  4. Step 4: Simplify right side
    198,260.97x = 38,857,027,701.48
  5. Step 5: Solve for x
    x = 38,857,027,701.48/198,260.97
  6. Step 6: Final answer
    x = 195,989.29

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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.