Home / 148,372.75-204,754.40-81,304.75

Finding the Fourth Proportional to 148,372.75, 204,754.40 and 81,304.75

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Solution

The fourth proportional to 148,372.75, 204,754.40 and 81,304.75 is: 112,200.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,372.75 : 204,754.40 = 81,304.75 : x
  2. Step 2: Convert to fraction form
    148,372.75/204,754.40 = 81,304.75/x
  3. Step 3: Cross multiply
    148,372.75x = 204,754.40 × 81,304.75
  4. Step 4: Simplify right side
    148,372.75x = 16,647,505,303.40
  5. Step 5: Solve for x
    x = 16,647,505,303.40/148,372.75
  6. Step 6: Final answer
    x = 112,200.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.