Home / 111,713-154,163.96-63,982.16

Finding the Fourth Proportional to 111,713, 154,163.96 and 63,982.16

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Solution

The fourth proportional to 111,713, 154,163.96 and 63,982.16 is: 88,295.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,713 : 154,163.96 = 63,982.16 : x
  2. Step 2: Convert to fraction form
    111,713/154,163.96 = 63,982.16/x
  3. Step 3: Cross multiply
    111,713x = 154,163.96 × 63,982.16
  4. Step 4: Simplify right side
    111,713x = 9,863,743,154.95
  5. Step 5: Solve for x
    x = 9,863,743,154.95/111,713
  6. Step 6: Final answer
    x = 88,295.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.