Home / 231,391.59-346,999.78-126,153.27

Finding the Fourth Proportional to 231,391.59, 346,999.78 and 126,153.27

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Solution

The fourth proportional to 231,391.59, 346,999.78 and 126,153.27 is: 189,182.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,391.59 : 346,999.78 = 126,153.27 : x
  2. Step 2: Convert to fraction form
    231,391.59/346,999.78 = 126,153.27/x
  3. Step 3: Cross multiply
    231,391.59x = 346,999.78 × 126,153.27
  4. Step 4: Simplify right side
    231,391.59x = 43,775,156,936.28
  5. Step 5: Solve for x
    x = 43,775,156,936.28/231,391.59
  6. Step 6: Final answer
    x = 189,182.14

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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.