Home / 170,993.11-256,494.02-81,014.73

Finding the Fourth Proportional to 170,993.11, 256,494.02 and 81,014.73

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Solution

The fourth proportional to 170,993.11, 256,494.02 and 81,014.73 is: 121,524.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,993.11 : 256,494.02 = 81,014.73 : x
  2. Step 2: Convert to fraction form
    170,993.11/256,494.02 = 81,014.73/x
  3. Step 3: Cross multiply
    170,993.11x = 256,494.02 × 81,014.73
  4. Step 4: Simplify right side
    170,993.11x = 20,779,793,776.91
  5. Step 5: Solve for x
    x = 20,779,793,776.91/170,993.11
  6. Step 6: Final answer
    x = 121,524.16

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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.