Home / 238,824.99-329,586.57-131,399.55

Finding the Fourth Proportional to 238,824.99, 329,586.57 and 131,399.55

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Solution

The fourth proportional to 238,824.99, 329,586.57 and 131,399.55 is: 181,335.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,824.99 : 329,586.57 = 131,399.55 : x
  2. Step 2: Convert to fraction form
    238,824.99/329,586.57 = 131,399.55/x
  3. Step 3: Cross multiply
    238,824.99x = 329,586.57 × 131,399.55
  4. Step 4: Simplify right side
    238,824.99x = 43,307,526,984.04
  5. Step 5: Solve for x
    x = 43,307,526,984.04/238,824.99
  6. Step 6: Final answer
    x = 181,335.83

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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.