Home / 238,890.86-329,661.12-131,450.84

Finding the Fourth Proportional to 238,890.86, 329,661.12 and 131,450.84

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Solution

The fourth proportional to 238,890.86, 329,661.12 and 131,450.84 is: 181,397.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,890.86 : 329,661.12 = 131,450.84 : x
  2. Step 2: Convert to fraction form
    238,890.86/329,661.12 = 131,450.84/x
  3. Step 3: Cross multiply
    238,890.86x = 329,661.12 × 131,450.84
  4. Step 4: Simplify right side
    238,890.86x = 43,334,231,139.34
  5. Step 5: Solve for x
    x = 43,334,231,139.34/238,890.86
  6. Step 6: Final answer
    x = 181,397.61

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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.