Home / 166,626.60-229,943.79-90,145.50

Finding the Fourth Proportional to 166,626.60, 229,943.79 and 90,145.50

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Solution

The fourth proportional to 166,626.60, 229,943.79 and 90,145.50 is: 124,400.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,626.60 : 229,943.79 = 90,145.50 : x
  2. Step 2: Convert to fraction form
    166,626.60/229,943.79 = 90,145.50/x
  3. Step 3: Cross multiply
    166,626.60x = 229,943.79 × 90,145.50
  4. Step 4: Simplify right side
    166,626.60x = 20,728,397,921.45
  5. Step 5: Solve for x
    x = 20,728,397,921.45/166,626.60
  6. Step 6: Final answer
    x = 124,400.29

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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.