Home / 109,869.71-164,821.01-39,765.42

Finding the Fourth Proportional to 109,869.71, 164,821.01 and 39,765.42

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Solution

The fourth proportional to 109,869.71, 164,821.01 and 39,765.42 is: 59,654.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,869.71 : 164,821.01 = 39,765.42 : x
  2. Step 2: Convert to fraction form
    109,869.71/164,821.01 = 39,765.42/x
  3. Step 3: Cross multiply
    109,869.71x = 164,821.01 × 39,765.42
  4. Step 4: Simplify right side
    109,869.71x = 6,554,177,404.97
  5. Step 5: Solve for x
    x = 6,554,177,404.97/109,869.71
  6. Step 6: Final answer
    x = 59,654.09

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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.