Home / 135,580.26-187,111.97-75,169.86

Finding the Fourth Proportional to 135,580.26, 187,111.97 and 75,169.86

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Solution

The fourth proportional to 135,580.26, 187,111.97 and 75,169.86 is: 103,740.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,580.26 : 187,111.97 = 75,169.86 : x
  2. Step 2: Convert to fraction form
    135,580.26/187,111.97 = 75,169.86/x
  3. Step 3: Cross multiply
    135,580.26x = 187,111.97 × 75,169.86
  4. Step 4: Simplify right side
    135,580.26x = 14,065,180,589.22
  5. Step 5: Solve for x
    x = 14,065,180,589.22/135,580.26
  6. Step 6: Final answer
    x = 103,740.62

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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.