Home / 166,289.75-229,484.90-90,843.11

Finding the Fourth Proportional to 166,289.75, 229,484.90 and 90,843.11

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Solution

The fourth proportional to 166,289.75, 229,484.90 and 90,843.11 is: 125,366.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,289.75 : 229,484.90 = 90,843.11 : x
  2. Step 2: Convert to fraction form
    166,289.75/229,484.90 = 90,843.11/x
  3. Step 3: Cross multiply
    166,289.75x = 229,484.90 × 90,843.11
  4. Step 4: Simplify right side
    166,289.75x = 20,847,122,014.04
  5. Step 5: Solve for x
    x = 20,847,122,014.04/166,289.75
  6. Step 6: Final answer
    x = 125,366.25

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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.