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Finding the Fourth Proportional to 66,167.10, 99,250.70 and 16,247.48

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Solution

The fourth proportional to 66,167.10, 99,250.70 and 16,247.48 is: 24,371.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,167.10 : 99,250.70 = 16,247.48 : x
  2. Step 2: Convert to fraction form
    66,167.10/99,250.70 = 16,247.48/x
  3. Step 3: Cross multiply
    66,167.10x = 99,250.70 × 16,247.48
  4. Step 4: Simplify right side
    66,167.10x = 1,612,573,185.75
  5. Step 5: Solve for x
    x = 1,612,573,185.75/66,167.10
  6. Step 6: Final answer
    x = 24,371.22

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1.5x scale

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.