Home / 66,223.28-99,324.26-18,180.68

Finding the Fourth Proportional to 66,223.28, 99,324.26 and 18,180.68

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Solution

The fourth proportional to 66,223.28, 99,324.26 and 18,180.68 is: 27,268.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,223.28 : 99,324.26 = 18,180.68 : x
  2. Step 2: Convert to fraction form
    66,223.28/99,324.26 = 18,180.68/x
  3. Step 3: Cross multiply
    66,223.28x = 99,324.26 × 18,180.68
  4. Step 4: Simplify right side
    66,223.28x = 1,805,781,999.77
  5. Step 5: Solve for x
    x = 1,805,781,999.77/66,223.28
  6. Step 6: Final answer
    x = 27,268.09

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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.