Home / 166,520.60-229,797.92-90,039.16

Finding the Fourth Proportional to 166,520.60, 229,797.92 and 90,039.16

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Solution

The fourth proportional to 166,520.60, 229,797.92 and 90,039.16 is: 124,253.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,520.60 : 229,797.92 = 90,039.16 : x
  2. Step 2: Convert to fraction form
    166,520.60/229,797.92 = 90,039.16/x
  3. Step 3: Cross multiply
    166,520.60x = 229,797.92 × 90,039.16
  4. Step 4: Simplify right side
    166,520.60x = 20,690,810,087.36
  5. Step 5: Solve for x
    x = 20,690,810,087.36/166,520.60
  6. Step 6: Final answer
    x = 124,253.76

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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.