Home / 132,906.99-199,333.30-38,111.78

Finding the Fourth Proportional to 132,906.99, 199,333.30 and 38,111.78

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Solution

The fourth proportional to 132,906.99, 199,333.30 and 38,111.78 is: 57,159.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,906.99 : 199,333.30 = 38,111.78 : x
  2. Step 2: Convert to fraction form
    132,906.99/199,333.30 = 38,111.78/x
  3. Step 3: Cross multiply
    132,906.99x = 199,333.30 × 38,111.78
  4. Step 4: Simplify right side
    132,906.99x = 7,596,946,876.27
  5. Step 5: Solve for x
    x = 7,596,946,876.27/132,906.99
  6. Step 6: Final answer
    x = 57,159.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.