Home / 166,288.94-229,479.04-90,837.44

Finding the Fourth Proportional to 166,288.94, 229,479.04 and 90,837.44

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Solution

The fourth proportional to 166,288.94, 229,479.04 and 90,837.44 is: 125,355.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,288.94 : 229,479.04 = 90,837.44 : x
  2. Step 2: Convert to fraction form
    166,288.94/229,479.04 = 90,837.44/x
  3. Step 3: Cross multiply
    166,288.94x = 229,479.04 × 90,837.44
  4. Step 4: Simplify right side
    166,288.94x = 20,845,288,527.26
  5. Step 5: Solve for x
    x = 20,845,288,527.26/166,288.94
  6. Step 6: Final answer
    x = 125,355.83

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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.