Home / 166,318.07-229,519.64-90,868.19

Finding the Fourth Proportional to 166,318.07, 229,519.64 and 90,868.19

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Solution

The fourth proportional to 166,318.07, 229,519.64 and 90,868.19 is: 125,398.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,318.07 : 229,519.64 = 90,868.19 : x
  2. Step 2: Convert to fraction form
    166,318.07/229,519.64 = 90,868.19/x
  3. Step 3: Cross multiply
    166,318.07x = 229,519.64 × 90,868.19
  4. Step 4: Simplify right side
    166,318.07x = 20,856,033,335.82
  5. Step 5: Solve for x
    x = 20,856,033,335.82/166,318.07
  6. Step 6: Final answer
    x = 125,398.48

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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.