Home / 128,247.63-192,371.51-34,753.38

Finding the Fourth Proportional to 128,247.63, 192,371.51 and 34,753.38

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Solution

The fourth proportional to 128,247.63, 192,371.51 and 34,753.38 is: 52,130.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,247.63 : 192,371.51 = 34,753.38 : x
  2. Step 2: Convert to fraction form
    128,247.63/192,371.51 = 34,753.38/x
  3. Step 3: Cross multiply
    128,247.63x = 192,371.51 × 34,753.38
  4. Step 4: Simplify right side
    128,247.63x = 6,685,560,188.20
  5. Step 5: Solve for x
    x = 6,685,560,188.20/128,247.63
  6. Step 6: Final answer
    x = 52,130.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.