Home / 139,199.52-192,095.82-75,537.30

Finding the Fourth Proportional to 139,199.52, 192,095.82 and 75,537.30

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Solution

The fourth proportional to 139,199.52, 192,095.82 and 75,537.30 is: 104,241.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,199.52 : 192,095.82 = 75,537.30 : x
  2. Step 2: Convert to fraction form
    139,199.52/192,095.82 = 75,537.30/x
  3. Step 3: Cross multiply
    139,199.52x = 192,095.82 × 75,537.30
  4. Step 4: Simplify right side
    139,199.52x = 14,510,399,584.09
  5. Step 5: Solve for x
    x = 14,510,399,584.09/139,199.52
  6. Step 6: Final answer
    x = 104,241.74

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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.