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Finding the Fourth Proportional to 101,711.26, 152,546.02 and 38,509.63

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Solution

The fourth proportional to 101,711.26, 152,546.02 and 38,509.63 is: 57,756.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,711.26 : 152,546.02 = 38,509.63 : x
  2. Step 2: Convert to fraction form
    101,711.26/152,546.02 = 38,509.63/x
  3. Step 3: Cross multiply
    101,711.26x = 152,546.02 × 38,509.63
  4. Step 4: Simplify right side
    101,711.26x = 5,874,490,310.53
  5. Step 5: Solve for x
    x = 5,874,490,310.53/101,711.26
  6. Step 6: Final answer
    x = 57,756.54

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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.