Home / 220,180.60-329,614.80-131,388.40

Finding the Fourth Proportional to 220,180.60, 329,614.80 and 131,388.40

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Solution

The fourth proportional to 220,180.60, 329,614.80 and 131,388.40 is: 196,691.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,180.60 : 329,614.80 = 131,388.40 : x
  2. Step 2: Convert to fraction form
    220,180.60/329,614.80 = 131,388.40/x
  3. Step 3: Cross multiply
    220,180.60x = 329,614.80 × 131,388.40
  4. Step 4: Simplify right side
    220,180.60x = 43,307,561,188.32
  5. Step 5: Solve for x
    x = 43,307,561,188.32/220,180.60
  6. Step 6: Final answer
    x = 196,691.09

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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.