Home / 238,723.24-329,443.36-131,298.72

Finding the Fourth Proportional to 238,723.24, 329,443.36 and 131,298.72

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Solution

The fourth proportional to 238,723.24, 329,443.36 and 131,298.72 is: 181,195.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,723.24 : 329,443.36 = 131,298.72 : x
  2. Step 2: Convert to fraction form
    238,723.24/329,443.36 = 131,298.72/x
  3. Step 3: Cross multiply
    238,723.24x = 329,443.36 × 131,298.72
  4. Step 4: Simplify right side
    238,723.24x = 43,255,491,480.50
  5. Step 5: Solve for x
    x = 43,255,491,480.50/238,723.24
  6. Step 6: Final answer
    x = 181,195.14

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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.