Home / 141,343.20-195,052.32-76,811.76

Finding the Fourth Proportional to 141,343.20, 195,052.32 and 76,811.76

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Solution

The fourth proportional to 141,343.20, 195,052.32 and 76,811.76 is: 105,999.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,343.20 : 195,052.32 = 76,811.76 : x
  2. Step 2: Convert to fraction form
    141,343.20/195,052.32 = 76,811.76/x
  3. Step 3: Cross multiply
    141,343.20x = 195,052.32 × 76,811.76
  4. Step 4: Simplify right side
    141,343.20x = 14,982,311,991.28
  5. Step 5: Solve for x
    x = 14,982,311,991.28/141,343.20
  6. Step 6: Final answer
    x = 105,999.52

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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.