Home / 136,419.14-204,578.81-52,137.62

Finding the Fourth Proportional to 136,419.14, 204,578.81 and 52,137.62

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Solution

The fourth proportional to 136,419.14, 204,578.81 and 52,137.62 is: 78,187.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,419.14 : 204,578.81 = 52,137.62 : x
  2. Step 2: Convert to fraction form
    136,419.14/204,578.81 = 52,137.62/x
  3. Step 3: Cross multiply
    136,419.14x = 204,578.81 × 52,137.62
  4. Step 4: Simplify right side
    136,419.14x = 10,666,253,378.97
  5. Step 5: Solve for x
    x = 10,666,253,378.97/136,419.14
  6. Step 6: Final answer
    x = 78,187.37

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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.