Home / 166,589.22-229,895.10-91,137.72

Finding the Fourth Proportional to 166,589.22, 229,895.10 and 91,137.72

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Solution

The fourth proportional to 166,589.22, 229,895.10 and 91,137.72 is: 125,771.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,589.22 : 229,895.10 = 91,137.72 : x
  2. Step 2: Convert to fraction form
    166,589.22/229,895.10 = 91,137.72/x
  3. Step 3: Cross multiply
    166,589.22x = 229,895.10 × 91,137.72
  4. Step 4: Simplify right side
    166,589.22x = 20,952,115,253.17
  5. Step 5: Solve for x
    x = 20,952,115,253.17/166,589.22
  6. Step 6: Final answer
    x = 125,771.13

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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.