Home / 166,579.57-229,885.24-91,128.07

Finding the Fourth Proportional to 166,579.57, 229,885.24 and 91,128.07

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Solution

The fourth proportional to 166,579.57, 229,885.24 and 91,128.07 is: 125,759.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,579.57 : 229,885.24 = 91,128.07 : x
  2. Step 2: Convert to fraction form
    166,579.57/229,885.24 = 91,128.07/x
  3. Step 3: Cross multiply
    166,579.57x = 229,885.24 × 91,128.07
  4. Step 4: Simplify right side
    166,579.57x = 20,948,997,093.26
  5. Step 5: Solve for x
    x = 20,948,997,093.26/166,579.57
  6. Step 6: Final answer
    x = 125,759.71

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1.5x scale

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.