Home / 166,622-229,938.36-91,170.50

Finding the Fourth Proportional to 166,622, 229,938.36 and 91,170.50

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Solution

The fourth proportional to 166,622, 229,938.36 and 91,170.50 is: 125,815.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,622 : 229,938.36 = 91,170.50 : x
  2. Step 2: Convert to fraction form
    166,622/229,938.36 = 91,170.50/x
  3. Step 3: Cross multiply
    166,622x = 229,938.36 × 91,170.50
  4. Step 4: Simplify right side
    166,622x = 20,963,595,250.38
  5. Step 5: Solve for x
    x = 20,963,595,250.38/166,622
  6. Step 6: Final answer
    x = 125,815.29

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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.