Home / 198,259.47-297,262.85-130,713.57

Finding the Fourth Proportional to 198,259.47, 297,262.85 and 130,713.57

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Solution

The fourth proportional to 198,259.47, 297,262.85 and 130,713.57 is: 195,987.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,259.47 : 297,262.85 = 130,713.57 : x
  2. Step 2: Convert to fraction form
    198,259.47/297,262.85 = 130,713.57/x
  3. Step 3: Cross multiply
    198,259.47x = 297,262.85 × 130,713.57
  4. Step 4: Simplify right side
    198,259.47x = 38,856,287,698.31
  5. Step 5: Solve for x
    x = 38,856,287,698.31/198,259.47
  6. Step 6: Final answer
    x = 195,987.05

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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.