Home / 231,341.86-319,230.94-134,546.61

Finding the Fourth Proportional to 231,341.86, 319,230.94 and 134,546.61

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Solution

The fourth proportional to 231,341.86, 319,230.94 and 134,546.61 is: 185,662.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,341.86 : 319,230.94 = 134,546.61 : x
  2. Step 2: Convert to fraction form
    231,341.86/319,230.94 = 134,546.61/x
  3. Step 3: Cross multiply
    231,341.86x = 319,230.94 × 134,546.61
  4. Step 4: Simplify right side
    231,341.86x = 42,951,440,784.11
  5. Step 5: Solve for x
    x = 42,951,440,784.11/231,341.86
  6. Step 6: Final answer
    x = 185,662.21

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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.