Home / 101,188.11-151,753.46-30,107.88

Finding the Fourth Proportional to 101,188.11, 151,753.46 and 30,107.88

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Solution

The fourth proportional to 101,188.11, 151,753.46 and 30,107.88 is: 45,153.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,188.11 : 151,753.46 = 30,107.88 : x
  2. Step 2: Convert to fraction form
    101,188.11/151,753.46 = 30,107.88/x
  3. Step 3: Cross multiply
    101,188.11x = 151,753.46 × 30,107.88
  4. Step 4: Simplify right side
    101,188.11x = 4,568,974,963.26
  5. Step 5: Solve for x
    x = 4,568,974,963.26/101,188.11
  6. Step 6: Final answer
    x = 45,153.28

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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.