Home / 166,618.81-229,934.19-91,167.31

Finding the Fourth Proportional to 166,618.81, 229,934.19 and 91,167.31

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Solution

The fourth proportional to 166,618.81, 229,934.19 and 91,167.31 is: 125,811.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,618.81 : 229,934.19 = 91,167.31 : x
  2. Step 2: Convert to fraction form
    166,618.81/229,934.19 = 91,167.31/x
  3. Step 3: Cross multiply
    166,618.81x = 229,934.19 × 91,167.31
  4. Step 4: Simplify right side
    166,618.81x = 20,962,481,579.33
  5. Step 5: Solve for x
    x = 20,962,481,579.33/166,618.81
  6. Step 6: Final answer
    x = 125,811.01

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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.