Home / 166,531.75-229,813.82-91,080.25

Finding the Fourth Proportional to 166,531.75, 229,813.82 and 91,080.25

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Solution

The fourth proportional to 166,531.75, 229,813.82 and 91,080.25 is: 125,690.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,531.75 : 229,813.82 = 91,080.25 : x
  2. Step 2: Convert to fraction form
    166,531.75/229,813.82 = 91,080.25/x
  3. Step 3: Cross multiply
    166,531.75x = 229,813.82 × 91,080.25
  4. Step 4: Simplify right side
    166,531.75x = 20,931,500,179.06
  5. Step 5: Solve for x
    x = 20,931,500,179.06/166,531.75
  6. Step 6: Final answer
    x = 125,690.75

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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.