Home / 141,842.43-195,743.46-78,180.23

Finding the Fourth Proportional to 141,842.43, 195,743.46 and 78,180.23

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Solution

The fourth proportional to 141,842.43, 195,743.46 and 78,180.23 is: 107,889.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,842.43 : 195,743.46 = 78,180.23 : x
  2. Step 2: Convert to fraction form
    141,842.43/195,743.46 = 78,180.23/x
  3. Step 3: Cross multiply
    141,842.43x = 195,743.46 × 78,180.23
  4. Step 4: Simplify right side
    141,842.43x = 15,303,269,213.15
  5. Step 5: Solve for x
    x = 15,303,269,213.15/141,842.43
  6. Step 6: Final answer
    x = 107,889.22

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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.