Home / 229,140.30-343,572.39-102,757.71

Finding the Fourth Proportional to 229,140.30, 343,572.39 and 102,757.71

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Solution

The fourth proportional to 229,140.30, 343,572.39 and 102,757.71 is: 154,074.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,140.30 : 343,572.39 = 102,757.71 : x
  2. Step 2: Convert to fraction form
    229,140.30/343,572.39 = 102,757.71/x
  3. Step 3: Cross multiply
    229,140.30x = 343,572.39 × 102,757.71
  4. Step 4: Simplify right side
    229,140.30x = 35,304,712,015.63
  5. Step 5: Solve for x
    x = 35,304,712,015.63/229,140.30
  6. Step 6: Final answer
    x = 154,074.65

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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.