Home / 141,756.32-195,624.18-78,093.92

Finding the Fourth Proportional to 141,756.32, 195,624.18 and 78,093.92

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Solution

The fourth proportional to 141,756.32, 195,624.18 and 78,093.92 is: 107,769.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,756.32 : 195,624.18 = 78,093.92 : x
  2. Step 2: Convert to fraction form
    141,756.32/195,624.18 = 78,093.92/x
  3. Step 3: Cross multiply
    141,756.32x = 195,624.18 × 78,093.92
  4. Step 4: Simplify right side
    141,756.32x = 15,277,059,062.99
  5. Step 5: Solve for x
    x = 15,277,059,062.99/141,756.32
  6. Step 6: Final answer
    x = 107,769.86

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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.