Home / 99,344.26-137,145.87-76,632.27

Finding the Fourth Proportional to 99,344.26, 137,145.87 and 76,632.27

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Solution

The fourth proportional to 99,344.26, 137,145.87 and 76,632.27 is: 105,791.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,344.26 : 137,145.87 = 76,632.27 : x
  2. Step 2: Convert to fraction form
    99,344.26/137,145.87 = 76,632.27/x
  3. Step 3: Cross multiply
    99,344.26x = 137,145.87 × 76,632.27
  4. Step 4: Simplify right side
    99,344.26x = 10,509,799,339.22
  5. Step 5: Solve for x
    x = 10,509,799,339.22/99,344.26
  6. Step 6: Final answer
    x = 105,791.71

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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.