Home / 166,540.12-229,827.18-91,087

Finding the Fourth Proportional to 166,540.12, 229,827.18 and 91,087

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Solution

The fourth proportional to 166,540.12, 229,827.18 and 91,087 is: 125,701.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,540.12 : 229,827.18 = 91,087 : x
  2. Step 2: Convert to fraction form
    166,540.12/229,827.18 = 91,087/x
  3. Step 3: Cross multiply
    166,540.12x = 229,827.18 × 91,087
  4. Step 4: Simplify right side
    166,540.12x = 20,934,268,344.66
  5. Step 5: Solve for x
    x = 20,934,268,344.66/166,540.12
  6. Step 6: Final answer
    x = 125,701.05

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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.