Home / 238,941.12-329,736.21-131,508.86

Finding the Fourth Proportional to 238,941.12, 329,736.21 and 131,508.86

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Solution

The fourth proportional to 238,941.12, 329,736.21 and 131,508.86 is: 181,480.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,941.12 : 329,736.21 = 131,508.86 : x
  2. Step 2: Convert to fraction form
    238,941.12/329,736.21 = 131,508.86/x
  3. Step 3: Cross multiply
    238,941.12x = 329,736.21 × 131,508.86
  4. Step 4: Simplify right side
    238,941.12x = 43,363,231,429.14
  5. Step 5: Solve for x
    x = 43,363,231,429.14/238,941.12
  6. Step 6: Final answer
    x = 181,480.82

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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.