Home / 238,709.22-329,411.19-131,278.92

Finding the Fourth Proportional to 238,709.22, 329,411.19 and 131,278.92

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Solution

The fourth proportional to 238,709.22, 329,411.19 and 131,278.92 is: 181,160.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,709.22 : 329,411.19 = 131,278.92 : x
  2. Step 2: Convert to fraction form
    238,709.22/329,411.19 = 131,278.92/x
  3. Step 3: Cross multiply
    238,709.22x = 329,411.19 × 131,278.92
  4. Step 4: Simplify right side
    238,709.22x = 43,244,745,259.11
  5. Step 5: Solve for x
    x = 43,244,745,259.11/238,709.22
  6. Step 6: Final answer
    x = 181,160.77

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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.