Home / 123,738.28-185,605.80-30,244.84

Finding the Fourth Proportional to 123,738.28, 185,605.80 and 30,244.84

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Solution

The fourth proportional to 123,738.28, 185,605.80 and 30,244.84 is: 45,366.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,738.28 : 185,605.80 = 30,244.84 : x
  2. Step 2: Convert to fraction form
    123,738.28/185,605.80 = 30,244.84/x
  3. Step 3: Cross multiply
    123,738.28x = 185,605.80 × 30,244.84
  4. Step 4: Simplify right side
    123,738.28x = 5,613,617,724.07
  5. Step 5: Solve for x
    x = 5,613,617,724.07/123,738.28
  6. Step 6: Final answer
    x = 45,366.86

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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.