Home / 234,321.57-323,363.93-126,891.72

Finding the Fourth Proportional to 234,321.57, 323,363.93 and 126,891.72

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Solution

The fourth proportional to 234,321.57, 323,363.93 and 126,891.72 is: 175,110.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,321.57 : 323,363.93 = 126,891.72 : x
  2. Step 2: Convert to fraction form
    234,321.57/323,363.93 = 126,891.72/x
  3. Step 3: Cross multiply
    234,321.57x = 323,363.93 × 126,891.72
  4. Step 4: Simplify right side
    234,321.57x = 41,032,205,263.66
  5. Step 5: Solve for x
    x = 41,032,205,263.66/234,321.57
  6. Step 6: Final answer
    x = 175,110.66

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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.