Home / 166,261.75-229,441.22-90,810.43

Finding the Fourth Proportional to 166,261.75, 229,441.22 and 90,810.43

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Solution

The fourth proportional to 166,261.75, 229,441.22 and 90,810.43 is: 125,318.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,261.75 : 229,441.22 = 90,810.43 : x
  2. Step 2: Convert to fraction form
    166,261.75/229,441.22 = 90,810.43/x
  3. Step 3: Cross multiply
    166,261.75x = 229,441.22 × 90,810.43
  4. Step 4: Simplify right side
    166,261.75x = 20,835,655,847.92
  5. Step 5: Solve for x
    x = 20,835,655,847.92/166,261.75
  6. Step 6: Final answer
    x = 125,318.40

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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.