Home / 166,542.12-229,829.94-91,089

Finding the Fourth Proportional to 166,542.12, 229,829.94 and 91,089

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Solution

The fourth proportional to 166,542.12, 229,829.94 and 91,089 is: 125,703.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,542.12 : 229,829.94 = 91,089 : x
  2. Step 2: Convert to fraction form
    166,542.12/229,829.94 = 91,089/x
  3. Step 3: Cross multiply
    166,542.12x = 229,829.94 × 91,089
  4. Step 4: Simplify right side
    166,542.12x = 20,934,979,404.66
  5. Step 5: Solve for x
    x = 20,934,979,404.66/166,542.12
  6. Step 6: Final answer
    x = 125,703.81

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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.