Home / 147,854.40-221,781.60-131,524.80

Finding the Fourth Proportional to 147,854.40, 221,781.60 and 131,524.80

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Solution

The fourth proportional to 147,854.40, 221,781.60 and 131,524.80 is: 197,287.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,854.40 : 221,781.60 = 131,524.80 : x
  2. Step 2: Convert to fraction form
    147,854.40/221,781.60 = 131,524.80/x
  3. Step 3: Cross multiply
    147,854.40x = 221,781.60 × 131,524.80
  4. Step 4: Simplify right side
    147,854.40x = 29,169,780,583.68
  5. Step 5: Solve for x
    x = 29,169,780,583.68/147,854.40
  6. Step 6: Final answer
    x = 197,287.20

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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.