Home / 229,965.10-317,351.34-129,363.10

Finding the Fourth Proportional to 229,965.10, 317,351.34 and 129,363.10

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Solution

The fourth proportional to 229,965.10, 317,351.34 and 129,363.10 is: 178,520.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,965.10 : 317,351.34 = 129,363.10 : x
  2. Step 2: Convert to fraction form
    229,965.10/317,351.34 = 129,363.10/x
  3. Step 3: Cross multiply
    229,965.10x = 317,351.34 × 129,363.10
  4. Step 4: Simplify right side
    229,965.10x = 41,053,553,131.55
  5. Step 5: Solve for x
    x = 41,053,553,131.55/229,965.10
  6. Step 6: Final answer
    x = 178,520.80

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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.