Home / 169,129.25-233,211.33-107,778.25

Finding the Fourth Proportional to 169,129.25, 233,211.33 and 107,778.25

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Solution

The fourth proportional to 169,129.25, 233,211.33 and 107,778.25 is: 148,614.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,129.25 : 233,211.33 = 107,778.25 : x
  2. Step 2: Convert to fraction form
    169,129.25/233,211.33 = 107,778.25/x
  3. Step 3: Cross multiply
    169,129.25x = 233,211.33 × 107,778.25
  4. Step 4: Simplify right side
    169,129.25x = 25,135,108,444.54
  5. Step 5: Solve for x
    x = 25,135,108,444.54/169,129.25
  6. Step 6: Final answer
    x = 148,614.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.