Home / 166,399.94-229,631.36-90,948.26

Finding the Fourth Proportional to 166,399.94, 229,631.36 and 90,948.26

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Solution

The fourth proportional to 166,399.94, 229,631.36 and 90,948.26 is: 125,508.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,399.94 : 229,631.36 = 90,948.26 : x
  2. Step 2: Convert to fraction form
    166,399.94/229,631.36 = 90,948.26/x
  3. Step 3: Cross multiply
    166,399.94x = 229,631.36 × 90,948.26
  4. Step 4: Simplify right side
    166,399.94x = 20,884,572,633.43
  5. Step 5: Solve for x
    x = 20,884,572,633.43/166,399.94
  6. Step 6: Final answer
    x = 125,508.29

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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.