Home / 110,725.90-165,839.12-51,436.80

Finding the Fourth Proportional to 110,725.90, 165,839.12 and 51,436.80

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Solution

The fourth proportional to 110,725.90, 165,839.12 and 51,436.80 is: 77,039.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,725.90 : 165,839.12 = 51,436.80 : x
  2. Step 2: Convert to fraction form
    110,725.90/165,839.12 = 51,436.80/x
  3. Step 3: Cross multiply
    110,725.90x = 165,839.12 × 51,436.80
  4. Step 4: Simplify right side
    110,725.90x = 8,530,233,647.62
  5. Step 5: Solve for x
    x = 8,530,233,647.62/110,725.90
  6. Step 6: Final answer
    x = 77,039.19

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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.