Home / 170,739.22-256,086.33-52,400.65

Finding the Fourth Proportional to 170,739.22, 256,086.33 and 52,400.65

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Solution

The fourth proportional to 170,739.22, 256,086.33 and 52,400.65 is: 78,594.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,739.22 : 256,086.33 = 52,400.65 : x
  2. Step 2: Convert to fraction form
    170,739.22/256,086.33 = 52,400.65/x
  3. Step 3: Cross multiply
    170,739.22x = 256,086.33 × 52,400.65
  4. Step 4: Simplify right side
    170,739.22x = 13,419,090,148.11
  5. Step 5: Solve for x
    x = 13,419,090,148.11/170,739.22
  6. Step 6: Final answer
    x = 78,594.07

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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.