Home / 163,212.62-225,233.19-91,599.30

Finding the Fourth Proportional to 163,212.62, 225,233.19 and 91,599.30

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Solution

The fourth proportional to 163,212.62, 225,233.19 and 91,599.30 is: 126,406.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,212.62 : 225,233.19 = 91,599.30 : x
  2. Step 2: Convert to fraction form
    163,212.62/225,233.19 = 91,599.30/x
  3. Step 3: Cross multiply
    163,212.62x = 225,233.19 × 91,599.30
  4. Step 4: Simplify right side
    163,212.62x = 20,631,202,540.77
  5. Step 5: Solve for x
    x = 20,631,202,540.77/163,212.62
  6. Step 6: Final answer
    x = 126,406.91

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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.