Home / 142,198.32-213,329.25-53,452.59

Finding the Fourth Proportional to 142,198.32, 213,329.25 and 53,452.59

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Solution

The fourth proportional to 142,198.32, 213,329.25 and 53,452.59 is: 80,190.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,198.32 : 213,329.25 = 53,452.59 : x
  2. Step 2: Convert to fraction form
    142,198.32/213,329.25 = 53,452.59/x
  3. Step 3: Cross multiply
    142,198.32x = 213,329.25 × 53,452.59
  4. Step 4: Simplify right side
    142,198.32x = 11,403,000,935.26
  5. Step 5: Solve for x
    x = 11,403,000,935.26/142,198.32
  6. Step 6: Final answer
    x = 80,190.83

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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.