Home / 84,163.20-126,237.51-27,985.25

Finding the Fourth Proportional to 84,163.20, 126,237.51 and 27,985.25

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Solution

The fourth proportional to 84,163.20, 126,237.51 and 27,985.25 is: 41,975.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,163.20 : 126,237.51 = 27,985.25 : x
  2. Step 2: Convert to fraction form
    84,163.20/126,237.51 = 27,985.25/x
  3. Step 3: Cross multiply
    84,163.20x = 126,237.51 × 27,985.25
  4. Step 4: Simplify right side
    84,163.20x = 3,532,787,645.54
  5. Step 5: Solve for x
    x = 3,532,787,645.54/84,163.20
  6. Step 6: Final answer
    x = 41,975.44

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1.5x scale

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.