Home / 123,549.53-185,324.30-30,054.47

Finding the Fourth Proportional to 123,549.53, 185,324.30 and 30,054.47

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Solution

The fourth proportional to 123,549.53, 185,324.30 and 30,054.47 is: 45,081.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,549.53 : 185,324.30 = 30,054.47 : x
  2. Step 2: Convert to fraction form
    123,549.53/185,324.30 = 30,054.47/x
  3. Step 3: Cross multiply
    123,549.53x = 185,324.30 × 30,054.47
  4. Step 4: Simplify right side
    123,549.53x = 5,569,823,464.35
  5. Step 5: Solve for x
    x = 5,569,823,464.35/123,549.53
  6. Step 6: Final answer
    x = 45,081.71

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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.