Home / 238,954.05-329,753.98-131,521.77

Finding the Fourth Proportional to 238,954.05, 329,753.98 and 131,521.77

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Solution

The fourth proportional to 238,954.05, 329,753.98 and 131,521.77 is: 181,498.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,954.05 : 329,753.98 = 131,521.77 : x
  2. Step 2: Convert to fraction form
    238,954.05/329,753.98 = 131,521.77/x
  3. Step 3: Cross multiply
    238,954.05x = 329,753.98 × 131,521.77
  4. Step 4: Simplify right side
    238,954.05x = 43,369,827,114.14
  5. Step 5: Solve for x
    x = 43,369,827,114.14/238,954.05
  6. Step 6: Final answer
    x = 181,498.61

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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.