Home / 109,945.11-164,917.26-39,808.02

Finding the Fourth Proportional to 109,945.11, 164,917.26 and 39,808.02

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Solution

The fourth proportional to 109,945.11, 164,917.26 and 39,808.02 is: 59,711.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,945.11 : 164,917.26 = 39,808.02 : x
  2. Step 2: Convert to fraction form
    109,945.11/164,917.26 = 39,808.02/x
  3. Step 3: Cross multiply
    109,945.11x = 164,917.26 × 39,808.02
  4. Step 4: Simplify right side
    109,945.11x = 6,565,029,584.43
  5. Step 5: Solve for x
    x = 6,565,029,584.43/109,945.11
  6. Step 6: Final answer
    x = 59,711.88

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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.