Home / 141,337.32-195,043.26-77,673.75

Finding the Fourth Proportional to 141,337.32, 195,043.26 and 77,673.75

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Solution

The fourth proportional to 141,337.32, 195,043.26 and 77,673.75 is: 107,188.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,337.32 : 195,043.26 = 77,673.75 : x
  2. Step 2: Convert to fraction form
    141,337.32/195,043.26 = 77,673.75/x
  3. Step 3: Cross multiply
    141,337.32x = 195,043.26 × 77,673.75
  4. Step 4: Simplify right side
    141,337.32x = 15,149,741,416.43
  5. Step 5: Solve for x
    x = 15,149,741,416.43/141,337.32
  6. Step 6: Final answer
    x = 107,188.54

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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.