Home / 141,744.39-195,600.06-78,080.82

Finding the Fourth Proportional to 141,744.39, 195,600.06 and 78,080.82

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Solution

The fourth proportional to 141,744.39, 195,600.06 and 78,080.82 is: 107,747.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,744.39 : 195,600.06 = 78,080.82 : x
  2. Step 2: Convert to fraction form
    141,744.39/195,600.06 = 78,080.82/x
  3. Step 3: Cross multiply
    141,744.39x = 195,600.06 × 78,080.82
  4. Step 4: Simplify right side
    141,744.39x = 15,272,613,076.85
  5. Step 5: Solve for x
    x = 15,272,613,076.85/141,744.39
  6. Step 6: Final answer
    x = 107,747.57

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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.