Home / 141,944.20-195,880.34-78,288.04

Finding the Fourth Proportional to 141,944.20, 195,880.34 and 78,288.04

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Solution

The fourth proportional to 141,944.20, 195,880.34 and 78,288.04 is: 108,036.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,944.20 : 195,880.34 = 78,288.04 : x
  2. Step 2: Convert to fraction form
    141,944.20/195,880.34 = 78,288.04/x
  3. Step 3: Cross multiply
    141,944.20x = 195,880.34 × 78,288.04
  4. Step 4: Simplify right side
    141,944.20x = 15,335,087,893.13
  5. Step 5: Solve for x
    x = 15,335,087,893.13/141,944.20
  6. Step 6: Final answer
    x = 108,036.03

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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.