Home / 139,193.27-192,087.24-75,531.07

Finding the Fourth Proportional to 139,193.27, 192,087.24 and 75,531.07

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Solution

The fourth proportional to 139,193.27, 192,087.24 and 75,531.07 is: 104,233.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,193.27 : 192,087.24 = 75,531.07 : x
  2. Step 2: Convert to fraction form
    139,193.27/192,087.24 = 75,531.07/x
  3. Step 3: Cross multiply
    139,193.27x = 192,087.24 × 75,531.07
  4. Step 4: Simplify right side
    139,193.27x = 14,508,554,770.55
  5. Step 5: Solve for x
    x = 14,508,554,770.55/139,193.27
  6. Step 6: Final answer
    x = 104,233.16

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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.