Home / 66,185.12-99,275.25-16,265.36

Finding the Fourth Proportional to 66,185.12, 99,275.25 and 16,265.36

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Solution

The fourth proportional to 66,185.12, 99,275.25 and 16,265.36 is: 24,397.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,185.12 : 99,275.25 = 16,265.36 : x
  2. Step 2: Convert to fraction form
    66,185.12/99,275.25 = 16,265.36/x
  3. Step 3: Cross multiply
    66,185.12x = 99,275.25 × 16,265.36
  4. Step 4: Simplify right side
    66,185.12x = 1,614,747,680.34
  5. Step 5: Solve for x
    x = 1,614,747,680.34/66,185.12
  6. Step 6: Final answer
    x = 24,397.44

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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.