Home / 231,391.46-346,999.59-126,153.14

Finding the Fourth Proportional to 231,391.46, 346,999.59 and 126,153.14

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Solution

The fourth proportional to 231,391.46, 346,999.59 and 126,153.14 is: 189,181.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,391.46 : 346,999.59 = 126,153.14 : x
  2. Step 2: Convert to fraction form
    231,391.46/346,999.59 = 126,153.14/x
  3. Step 3: Cross multiply
    231,391.46x = 346,999.59 × 126,153.14
  4. Step 4: Simplify right side
    231,391.46x = 43,775,087,857.21
  5. Step 5: Solve for x
    x = 43,775,087,857.21/231,391.46
  6. Step 6: Final answer
    x = 189,181.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.