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Finding the Fourth Proportional to 134,469.18, 201,722.27 and 45,698.85

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Solution

The fourth proportional to 134,469.18, 201,722.27 and 45,698.85 is: 68,554.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,469.18 : 201,722.27 = 45,698.85 : x
  2. Step 2: Convert to fraction form
    134,469.18/201,722.27 = 45,698.85/x
  3. Step 3: Cross multiply
    134,469.18x = 201,722.27 × 45,698.85
  4. Step 4: Simplify right side
    134,469.18x = 9,218,475,529.90
  5. Step 5: Solve for x
    x = 9,218,475,529.90/134,469.18
  6. Step 6: Final answer
    x = 68,554.56

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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.