Home / 109,839.45-164,759.18-39,702.36

Finding the Fourth Proportional to 109,839.45, 164,759.18 and 39,702.36

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Solution

The fourth proportional to 109,839.45, 164,759.18 and 39,702.36 is: 59,553.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,839.45 : 164,759.18 = 39,702.36 : x
  2. Step 2: Convert to fraction form
    109,839.45/164,759.18 = 39,702.36/x
  3. Step 3: Cross multiply
    109,839.45x = 164,759.18 × 39,702.36
  4. Step 4: Simplify right side
    109,839.45x = 6,541,328,277.66
  5. Step 5: Solve for x
    x = 6,541,328,277.66/109,839.45
  6. Step 6: Final answer
    x = 59,553.54

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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.