Home / 141,338.39-212,015.66-40,128.53

Finding the Fourth Proportional to 141,338.39, 212,015.66 and 40,128.53

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Solution

The fourth proportional to 141,338.39, 212,015.66 and 40,128.53 is: 60,195.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,338.39 : 212,015.66 = 40,128.53 : x
  2. Step 2: Convert to fraction form
    141,338.39/212,015.66 = 40,128.53/x
  3. Step 3: Cross multiply
    141,338.39x = 212,015.66 × 40,128.53
  4. Step 4: Simplify right side
    141,338.39x = 8,507,876,930.37
  5. Step 5: Solve for x
    x = 8,507,876,930.37/141,338.39
  6. Step 6: Final answer
    x = 60,195.09

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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.