Home / 166,530.12-229,813.38-91,077

Finding the Fourth Proportional to 166,530.12, 229,813.38 and 91,077

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Solution

The fourth proportional to 166,530.12, 229,813.38 and 91,077 is: 125,687.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,530.12 : 229,813.38 = 91,077 : x
  2. Step 2: Convert to fraction form
    166,530.12/229,813.38 = 91,077/x
  3. Step 3: Cross multiply
    166,530.12x = 229,813.38 × 91,077
  4. Step 4: Simplify right side
    166,530.12x = 20,930,713,210.26
  5. Step 5: Solve for x
    x = 20,930,713,210.26/166,530.12
  6. Step 6: Final answer
    x = 125,687.25

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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.