Home / 141,751.92-195,610.38-78,088.32

Finding the Fourth Proportional to 141,751.92, 195,610.38 and 78,088.32

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Solution

The fourth proportional to 141,751.92, 195,610.38 and 78,088.32 is: 107,757.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,751.92 : 195,610.38 = 78,088.32 : x
  2. Step 2: Convert to fraction form
    141,751.92/195,610.38 = 78,088.32/x
  3. Step 3: Cross multiply
    141,751.92x = 195,610.38 × 78,088.32
  4. Step 4: Simplify right side
    141,751.92x = 15,274,885,948.76
  5. Step 5: Solve for x
    x = 15,274,885,948.76/141,751.92
  6. Step 6: Final answer
    x = 107,757.88

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1.5x scale

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.