Home / 170,995.11-256,497.03-81,016.74

Finding the Fourth Proportional to 170,995.11, 256,497.03 and 81,016.74

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Solution

The fourth proportional to 170,995.11, 256,497.03 and 81,016.74 is: 121,527.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,995.11 : 256,497.03 = 81,016.74 : x
  2. Step 2: Convert to fraction form
    170,995.11/256,497.03 = 81,016.74/x
  3. Step 3: Cross multiply
    170,995.11x = 256,497.03 × 81,016.74
  4. Step 4: Simplify right side
    170,995.11x = 20,780,553,190.28
  5. Step 5: Solve for x
    x = 20,780,553,190.28/170,995.11
  6. Step 6: Final answer
    x = 121,527.18

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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.