Home / 141,372.26-195,091.46-77,708.68

Finding the Fourth Proportional to 141,372.26, 195,091.46 and 77,708.68

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Solution

The fourth proportional to 141,372.26, 195,091.46 and 77,708.68 is: 107,236.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,372.26 : 195,091.46 = 77,708.68 : x
  2. Step 2: Convert to fraction form
    141,372.26/195,091.46 = 77,708.68/x
  3. Step 3: Cross multiply
    141,372.26x = 195,091.46 × 77,708.68
  4. Step 4: Simplify right side
    141,372.26x = 15,160,299,835.87
  5. Step 5: Solve for x
    x = 15,160,299,835.87/141,372.26
  6. Step 6: Final answer
    x = 107,236.74

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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.