Home / 193,147.36-289,553.52-74,737.20

Finding the Fourth Proportional to 193,147.36, 289,553.52 and 74,737.20

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Solution

The fourth proportional to 193,147.36, 289,553.52 and 74,737.20 is: 112,040.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,147.36 : 289,553.52 = 74,737.20 : x
  2. Step 2: Convert to fraction form
    193,147.36/289,553.52 = 74,737.20/x
  3. Step 3: Cross multiply
    193,147.36x = 289,553.52 × 74,737.20
  4. Step 4: Simplify right side
    193,147.36x = 21,640,419,334.94
  5. Step 5: Solve for x
    x = 21,640,419,334.94/193,147.36
  6. Step 6: Final answer
    x = 112,040.98

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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.