Home / 170,999.19-256,360.42-71,234.32

Finding the Fourth Proportional to 170,999.19, 256,360.42 and 71,234.32

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Solution

The fourth proportional to 170,999.19, 256,360.42 and 71,234.32 is: 106,793.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,999.19 : 256,360.42 = 71,234.32 : x
  2. Step 2: Convert to fraction form
    170,999.19/256,360.42 = 71,234.32/x
  3. Step 3: Cross multiply
    170,999.19x = 256,360.42 × 71,234.32
  4. Step 4: Simplify right side
    170,999.19x = 18,261,660,193.61
  5. Step 5: Solve for x
    x = 18,261,660,193.61/170,999.19
  6. Step 6: Final answer
    x = 106,793.84

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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.