Home / 136,940.70-205,279.83-57,946.26

Finding the Fourth Proportional to 136,940.70, 205,279.83 and 57,946.26

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Solution

The fourth proportional to 136,940.70, 205,279.83 and 57,946.26 is: 86,863.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,940.70 : 205,279.83 = 57,946.26 : x
  2. Step 2: Convert to fraction form
    136,940.70/205,279.83 = 57,946.26/x
  3. Step 3: Cross multiply
    136,940.70x = 205,279.83 × 57,946.26
  4. Step 4: Simplify right side
    136,940.70x = 11,895,198,401.94
  5. Step 5: Solve for x
    x = 11,895,198,401.94/136,940.70
  6. Step 6: Final answer
    x = 86,863.86

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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.