Home / 135,866-203,797.28-95,719.12

Finding the Fourth Proportional to 135,866, 203,797.28 and 95,719.12

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Solution

The fourth proportional to 135,866, 203,797.28 and 95,719.12 is: 143,577.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,866 : 203,797.28 = 95,719.12 : x
  2. Step 2: Convert to fraction form
    135,866/203,797.28 = 95,719.12/x
  3. Step 3: Cross multiply
    135,866x = 203,797.28 × 95,719.12
  4. Step 4: Simplify right side
    135,866x = 19,507,296,299.99
  5. Step 5: Solve for x
    x = 19,507,296,299.99/135,866
  6. Step 6: Final answer
    x = 143,577.47

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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.