Home / 234,543.71-323,669.04-127,112.60

Finding the Fourth Proportional to 234,543.71, 323,669.04 and 127,112.60

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Solution

The fourth proportional to 234,543.71, 323,669.04 and 127,112.60 is: 175,414.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,543.71 : 323,669.04 = 127,112.60 : x
  2. Step 2: Convert to fraction form
    234,543.71/323,669.04 = 127,112.60/x
  3. Step 3: Cross multiply
    234,543.71x = 323,669.04 × 127,112.60
  4. Step 4: Simplify right side
    234,543.71x = 41,142,413,213.90
  5. Step 5: Solve for x
    x = 41,142,413,213.90/234,543.71
  6. Step 6: Final answer
    x = 175,414.69

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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.