Home / 139,464.24-192,488.48-88,537.60

Finding the Fourth Proportional to 139,464.24, 192,488.48 and 88,537.60

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Solution

The fourth proportional to 139,464.24, 192,488.48 and 88,537.60 is: 122,199.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,464.24 : 192,488.48 = 88,537.60 : x
  2. Step 2: Convert to fraction form
    139,464.24/192,488.48 = 88,537.60/x
  3. Step 3: Cross multiply
    139,464.24x = 192,488.48 × 88,537.60
  4. Step 4: Simplify right side
    139,464.24x = 17,042,468,046.85
  5. Step 5: Solve for x
    x = 17,042,468,046.85/139,464.24
  6. Step 6: Final answer
    x = 122,199.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.