Home / 141,687.36-195,412.32-103,403.88

Finding the Fourth Proportional to 141,687.36, 195,412.32 and 103,403.88

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Solution

The fourth proportional to 141,687.36, 195,412.32 and 103,403.88 is: 142,612.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,687.36 : 195,412.32 = 103,403.88 : x
  2. Step 2: Convert to fraction form
    141,687.36/195,412.32 = 103,403.88/x
  3. Step 3: Cross multiply
    141,687.36x = 195,412.32 × 103,403.88
  4. Step 4: Simplify right side
    141,687.36x = 20,206,392,087.80
  5. Step 5: Solve for x
    x = 20,206,392,087.80/141,687.36
  6. Step 6: Final answer
    x = 142,612.52

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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.