Home / 115,357.25-159,188.33-66,960.15

Finding the Fourth Proportional to 115,357.25, 159,188.33 and 66,960.15

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Solution

The fourth proportional to 115,357.25, 159,188.33 and 66,960.15 is: 92,402.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,357.25 : 159,188.33 = 66,960.15 : x
  2. Step 2: Convert to fraction form
    115,357.25/159,188.33 = 66,960.15/x
  3. Step 3: Cross multiply
    115,357.25x = 159,188.33 × 66,960.15
  4. Step 4: Simplify right side
    115,357.25x = 10,659,274,120.25
  5. Step 5: Solve for x
    x = 10,659,274,120.25/115,357.25
  6. Step 6: Final answer
    x = 92,402.29

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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.