Home / 96,686.22-145,251.69-68,674.41

Finding the Fourth Proportional to 96,686.22, 145,251.69 and 68,674.41

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Solution

The fourth proportional to 96,686.22, 145,251.69 and 68,674.41 is: 103,169.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,686.22 : 145,251.69 = 68,674.41 : x
  2. Step 2: Convert to fraction form
    96,686.22/145,251.69 = 68,674.41/x
  3. Step 3: Cross multiply
    96,686.22x = 145,251.69 × 68,674.41
  4. Step 4: Simplify right side
    96,686.22x = 9,975,074,112.25
  5. Step 5: Solve for x
    x = 9,975,074,112.25/96,686.22
  6. Step 6: Final answer
    x = 103,169.55

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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.