Home / 239,517.72-330,528.60-132,085.80

Finding the Fourth Proportional to 239,517.72, 330,528.60 and 132,085.80

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Solution

The fourth proportional to 239,517.72, 330,528.60 and 132,085.80 is: 182,275.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,517.72 : 330,528.60 = 132,085.80 : x
  2. Step 2: Convert to fraction form
    239,517.72/330,528.60 = 132,085.80/x
  3. Step 3: Cross multiply
    239,517.72x = 330,528.60 × 132,085.80
  4. Step 4: Simplify right side
    239,517.72x = 43,658,134,553.88
  5. Step 5: Solve for x
    x = 43,658,134,553.88/239,517.72
  6. Step 6: Final answer
    x = 182,275.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.