Home / 238,652.63-329,332.19-131,221.91

Finding the Fourth Proportional to 238,652.63, 329,332.19 and 131,221.91

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Solution

The fourth proportional to 238,652.63, 329,332.19 and 131,221.91 is: 181,081.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,652.63 : 329,332.19 = 131,221.91 : x
  2. Step 2: Convert to fraction form
    238,652.63/329,332.19 = 131,221.91/x
  3. Step 3: Cross multiply
    238,652.63x = 329,332.19 × 131,221.91
  4. Step 4: Simplify right side
    238,652.63x = 43,215,597,677.68
  5. Step 5: Solve for x
    x = 43,215,597,677.68/238,652.63
  6. Step 6: Final answer
    x = 181,081.59

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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.