Home / 166,586.88-229,895.43-91,135.38

Finding the Fourth Proportional to 166,586.88, 229,895.43 and 91,135.38

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Solution

The fourth proportional to 166,586.88, 229,895.43 and 91,135.38 is: 125,769.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,586.88 : 229,895.43 = 91,135.38 : x
  2. Step 2: Convert to fraction form
    166,586.88/229,895.43 = 91,135.38/x
  3. Step 3: Cross multiply
    166,586.88x = 229,895.43 × 91,135.38
  4. Step 4: Simplify right side
    166,586.88x = 20,951,607,373.31
  5. Step 5: Solve for x
    x = 20,951,607,373.31/166,586.88
  6. Step 6: Final answer
    x = 125,769.85

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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.