Home / 73,185.19-109,778.05-17,781.19

Finding the Fourth Proportional to 73,185.19, 109,778.05 and 17,781.19

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Solution

The fourth proportional to 73,185.19, 109,778.05 and 17,781.19 is: 26,671.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,185.19 : 109,778.05 = 17,781.19 : x
  2. Step 2: Convert to fraction form
    73,185.19/109,778.05 = 17,781.19/x
  3. Step 3: Cross multiply
    73,185.19x = 109,778.05 × 17,781.19
  4. Step 4: Simplify right side
    73,185.19x = 1,951,984,364.88
  5. Step 5: Solve for x
    x = 1,951,984,364.88/73,185.19
  6. Step 6: Final answer
    x = 26,671.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.