Home / 104,927.70-144,796-57,180.02

Finding the Fourth Proportional to 104,927.70, 144,796 and 57,180.02

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Solution

The fourth proportional to 104,927.70, 144,796 and 57,180.02 is: 78,906.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,927.70 : 144,796 = 57,180.02 : x
  2. Step 2: Convert to fraction form
    104,927.70/144,796 = 57,180.02/x
  3. Step 3: Cross multiply
    104,927.70x = 144,796 × 57,180.02
  4. Step 4: Simplify right side
    104,927.70x = 8,279,438,175.92
  5. Step 5: Solve for x
    x = 8,279,438,175.92/104,927.70
  6. Step 6: Final answer
    x = 78,906.13

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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.