Home / 163,171.46-225,199.04-91,555.72

Finding the Fourth Proportional to 163,171.46, 225,199.04 and 91,555.72

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Solution

The fourth proportional to 163,171.46, 225,199.04 and 91,555.72 is: 126,359.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,171.46 : 225,199.04 = 91,555.72 : x
  2. Step 2: Convert to fraction form
    163,171.46/225,199.04 = 91,555.72/x
  3. Step 3: Cross multiply
    163,171.46x = 225,199.04 × 91,555.72
  4. Step 4: Simplify right side
    163,171.46x = 20,618,259,229.73
  5. Step 5: Solve for x
    x = 20,618,259,229.73/163,171.46
  6. Step 6: Final answer
    x = 126,359.47

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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.