Home / 139,942.89-192,968.57-94,542.04

Finding the Fourth Proportional to 139,942.89, 192,968.57 and 94,542.04

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Solution

The fourth proportional to 139,942.89, 192,968.57 and 94,542.04 is: 130,364.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,942.89 : 192,968.57 = 94,542.04 : x
  2. Step 2: Convert to fraction form
    139,942.89/192,968.57 = 94,542.04/x
  3. Step 3: Cross multiply
    139,942.89x = 192,968.57 × 94,542.04
  4. Step 4: Simplify right side
    139,942.89x = 18,243,642,263.68
  5. Step 5: Solve for x
    x = 18,243,642,263.68/139,942.89
  6. Step 6: Final answer
    x = 130,364.91

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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.