Home / 104,883.96-144,739.31-57,137.20

Finding the Fourth Proportional to 104,883.96, 144,739.31 and 57,137.20

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Solution

The fourth proportional to 104,883.96, 144,739.31 and 57,137.20 is: 78,849.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,883.96 : 144,739.31 = 57,137.20 : x
  2. Step 2: Convert to fraction form
    104,883.96/144,739.31 = 57,137.20/x
  3. Step 3: Cross multiply
    104,883.96x = 144,739.31 × 57,137.20
  4. Step 4: Simplify right side
    104,883.96x = 8,269,998,255.80
  5. Step 5: Solve for x
    x = 8,269,998,255.80/104,883.96
  6. Step 6: Final answer
    x = 78,849.02

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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.