Home / 139,942.64-192,968.23-94,541.79

Finding the Fourth Proportional to 139,942.64, 192,968.23 and 94,541.79

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Solution

The fourth proportional to 139,942.64, 192,968.23 and 94,541.79 is: 130,364.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,942.64 : 192,968.23 = 94,541.79 : x
  2. Step 2: Convert to fraction form
    139,942.64/192,968.23 = 94,541.79/x
  3. Step 3: Cross multiply
    139,942.64x = 192,968.23 × 94,541.79
  4. Step 4: Simplify right side
    139,942.64x = 18,243,561,404.62
  5. Step 5: Solve for x
    x = 18,243,561,404.62/139,942.64
  6. Step 6: Final answer
    x = 130,364.57

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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.