Home / 238,663.88-329,364.62-131,242.08

Finding the Fourth Proportional to 238,663.88, 329,364.62 and 131,242.08

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Solution

The fourth proportional to 238,663.88, 329,364.62 and 131,242.08 is: 181,118.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,663.88 : 329,364.62 = 131,242.08 : x
  2. Step 2: Convert to fraction form
    238,663.88/329,364.62 = 131,242.08/x
  3. Step 3: Cross multiply
    238,663.88x = 329,364.62 × 131,242.08
  4. Step 4: Simplify right side
    238,663.88x = 43,226,497,807.21
  5. Step 5: Solve for x
    x = 43,226,497,807.21/238,663.88
  6. Step 6: Final answer
    x = 181,118.73

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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.