Home / 166,217.78-250,448.66-137,283.78

Finding the Fourth Proportional to 166,217.78, 250,448.66 and 137,283.78

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Solution

The fourth proportional to 166,217.78, 250,448.66 and 137,283.78 is: 206,852.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,217.78 : 250,448.66 = 137,283.78 : x
  2. Step 2: Convert to fraction form
    166,217.78/250,448.66 = 137,283.78/x
  3. Step 3: Cross multiply
    166,217.78x = 250,448.66 × 137,283.78
  4. Step 4: Simplify right side
    166,217.78x = 34,382,538,740.73
  5. Step 5: Solve for x
    x = 34,382,538,740.73/166,217.78
  6. Step 6: Final answer
    x = 206,852.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.