Home / 68,190.24-94,102.44-39,901.38

Finding the Fourth Proportional to 68,190.24, 94,102.44 and 39,901.38

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Solution

The fourth proportional to 68,190.24, 94,102.44 and 39,901.38 is: 55,063.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,190.24 : 94,102.44 = 39,901.38 : x
  2. Step 2: Convert to fraction form
    68,190.24/94,102.44 = 39,901.38/x
  3. Step 3: Cross multiply
    68,190.24x = 94,102.44 × 39,901.38
  4. Step 4: Simplify right side
    68,190.24x = 3,754,817,217.37
  5. Step 5: Solve for x
    x = 3,754,817,217.37/68,190.24
  6. Step 6: Final answer
    x = 55,063.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.