Home / 163,110.39-225,077.20-91,476.57

Finding the Fourth Proportional to 163,110.39, 225,077.20 and 91,476.57

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Solution

The fourth proportional to 163,110.39, 225,077.20 and 91,476.57 is: 126,229.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,110.39 : 225,077.20 = 91,476.57 : x
  2. Step 2: Convert to fraction form
    163,110.39/225,077.20 = 91,476.57/x
  3. Step 3: Cross multiply
    163,110.39x = 225,077.20 × 91,476.57
  4. Step 4: Simplify right side
    163,110.39x = 20,589,290,241.20
  5. Step 5: Solve for x
    x = 20,589,290,241.20/163,110.39
  6. Step 6: Final answer
    x = 126,229.18

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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.