Home / 109,896.70-164,715.45-57,279.10

Finding the Fourth Proportional to 109,896.70, 164,715.45 and 57,279.10

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Solution

The fourth proportional to 109,896.70, 164,715.45 and 57,279.10 is: 85,851.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,896.70 : 164,715.45 = 57,279.10 : x
  2. Step 2: Convert to fraction form
    109,896.70/164,715.45 = 57,279.10/x
  3. Step 3: Cross multiply
    109,896.70x = 164,715.45 × 57,279.10
  4. Step 4: Simplify right side
    109,896.70x = 9,434,752,732.10
  5. Step 5: Solve for x
    x = 9,434,752,732.10/109,896.70
  6. Step 6: Final answer
    x = 85,851.10

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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.