Home / 139,735.13-192,834.93-76,073.38

Finding the Fourth Proportional to 139,735.13, 192,834.93 and 76,073.38

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Solution

The fourth proportional to 139,735.13, 192,834.93 and 76,073.38 is: 104,981.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,735.13 : 192,834.93 = 76,073.38 : x
  2. Step 2: Convert to fraction form
    139,735.13/192,834.93 = 76,073.38/x
  3. Step 3: Cross multiply
    139,735.13x = 192,834.93 × 76,073.38
  4. Step 4: Simplify right side
    139,735.13x = 14,669,604,282.44
  5. Step 5: Solve for x
    x = 14,669,604,282.44/139,735.13
  6. Step 6: Final answer
    x = 104,981.51

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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.