Home / 239,281.20-330,222.56-131,851.13

Finding the Fourth Proportional to 239,281.20, 330,222.56 and 131,851.13

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Solution

The fourth proportional to 239,281.20, 330,222.56 and 131,851.13 is: 181,962.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,281.20 : 330,222.56 = 131,851.13 : x
  2. Step 2: Convert to fraction form
    239,281.20/330,222.56 = 131,851.13/x
  3. Step 3: Cross multiply
    239,281.20x = 330,222.56 × 131,851.13
  4. Step 4: Simplify right side
    239,281.20x = 43,540,215,377.12
  5. Step 5: Solve for x
    x = 43,540,215,377.12/239,281.20
  6. Step 6: Final answer
    x = 181,962.54

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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.