Home / 166,011.31-229,169.82-112,458.97

Finding the Fourth Proportional to 166,011.31, 229,169.82 and 112,458.97

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Solution

The fourth proportional to 166,011.31, 229,169.82 and 112,458.97 is: 155,243.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,011.31 : 229,169.82 = 112,458.97 : x
  2. Step 2: Convert to fraction form
    166,011.31/229,169.82 = 112,458.97/x
  3. Step 3: Cross multiply
    166,011.31x = 229,169.82 × 112,458.97
  4. Step 4: Simplify right side
    166,011.31x = 25,772,201,912.29
  5. Step 5: Solve for x
    x = 25,772,201,912.29/166,011.31
  6. Step 6: Final answer
    x = 155,243.65

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1.5x scale

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.