Home / 66,176.43-99,266.97-21,199.15

Finding the Fourth Proportional to 66,176.43, 99,266.97 and 21,199.15

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Solution

The fourth proportional to 66,176.43, 99,266.97 and 21,199.15 is: 31,799.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,176.43 : 99,266.97 = 21,199.15 : x
  2. Step 2: Convert to fraction form
    66,176.43/99,266.97 = 21,199.15/x
  3. Step 3: Cross multiply
    66,176.43x = 99,266.97 × 21,199.15
  4. Step 4: Simplify right side
    66,176.43x = 2,104,375,387.08
  5. Step 5: Solve for x
    x = 2,104,375,387.08/66,176.43
  6. Step 6: Final answer
    x = 31,799.47

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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.