Home / 74,150.53-111,236.64-21,553.18

Finding the Fourth Proportional to 74,150.53, 111,236.64 and 21,553.18

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Solution

The fourth proportional to 74,150.53, 111,236.64 and 21,553.18 is: 32,332.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,150.53 : 111,236.64 = 21,553.18 : x
  2. Step 2: Convert to fraction form
    74,150.53/111,236.64 = 21,553.18/x
  3. Step 3: Cross multiply
    74,150.53x = 111,236.64 × 21,553.18
  4. Step 4: Simplify right side
    74,150.53x = 2,397,503,324.52
  5. Step 5: Solve for x
    x = 2,397,503,324.52/74,150.53
  6. Step 6: Final answer
    x = 32,332.92

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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.