Home / 141,550.92-195,338.93-80,308.71

Finding the Fourth Proportional to 141,550.92, 195,338.93 and 80,308.71

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Solution

The fourth proportional to 141,550.92, 195,338.93 and 80,308.71 is: 110,825.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,550.92 : 195,338.93 = 80,308.71 : x
  2. Step 2: Convert to fraction form
    141,550.92/195,338.93 = 80,308.71/x
  3. Step 3: Cross multiply
    141,550.92x = 195,338.93 × 80,308.71
  4. Step 4: Simplify right side
    141,550.92x = 15,687,417,079.54
  5. Step 5: Solve for x
    x = 15,687,417,079.54/141,550.92
  6. Step 6: Final answer
    x = 110,825.26

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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.