Home / 223,974.28-309,084.53-123,372.28

Finding the Fourth Proportional to 223,974.28, 309,084.53 and 123,372.28

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Solution

The fourth proportional to 223,974.28, 309,084.53 and 123,372.28 is: 170,253.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,974.28 : 309,084.53 = 123,372.28 : x
  2. Step 2: Convert to fraction form
    223,974.28/309,084.53 = 123,372.28/x
  3. Step 3: Cross multiply
    223,974.28x = 309,084.53 × 123,372.28
  4. Step 4: Simplify right side
    223,974.28x = 38,132,462,948.32
  5. Step 5: Solve for x
    x = 38,132,462,948.32/223,974.28
  6. Step 6: Final answer
    x = 170,253.76

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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.