Home / 135,972.47-203,888.68-61,028.37

Finding the Fourth Proportional to 135,972.47, 203,888.68 and 61,028.37

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Solution

The fourth proportional to 135,972.47, 203,888.68 and 61,028.37 is: 91,511.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,972.47 : 203,888.68 = 61,028.37 : x
  2. Step 2: Convert to fraction form
    135,972.47/203,888.68 = 61,028.37/x
  3. Step 3: Cross multiply
    135,972.47x = 203,888.68 × 61,028.37
  4. Step 4: Simplify right side
    135,972.47x = 12,442,993,649.28
  5. Step 5: Solve for x
    x = 12,442,993,649.28/135,972.47
  6. Step 6: Final answer
    x = 91,511.12

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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.