Home / 103,255.36-154,996.17-82,044.42

Finding the Fourth Proportional to 103,255.36, 154,996.17 and 82,044.42

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Solution

The fourth proportional to 103,255.36, 154,996.17 and 82,044.42 is: 123,156.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,255.36 : 154,996.17 = 82,044.42 : x
  2. Step 2: Convert to fraction form
    103,255.36/154,996.17 = 82,044.42/x
  3. Step 3: Cross multiply
    103,255.36x = 154,996.17 × 82,044.42
  4. Step 4: Simplify right side
    103,255.36x = 12,716,570,869.87
  5. Step 5: Solve for x
    x = 12,716,570,869.87/103,255.36
  6. Step 6: Final answer
    x = 123,156.52

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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.