Home / 237,339.55-327,515.90-129,888.80

Finding the Fourth Proportional to 237,339.55, 327,515.90 and 129,888.80

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Solution

The fourth proportional to 237,339.55, 327,515.90 and 129,888.80 is: 179,239.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,339.55 : 327,515.90 = 129,888.80 : x
  2. Step 2: Convert to fraction form
    237,339.55/327,515.90 = 129,888.80/x
  3. Step 3: Cross multiply
    237,339.55x = 327,515.90 × 129,888.80
  4. Step 4: Simplify right side
    237,339.55x = 42,540,647,231.92
  5. Step 5: Solve for x
    x = 42,540,647,231.92/237,339.55
  6. Step 6: Final answer
    x = 179,239.61

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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.