Home / 104,883.45-144,739.43-57,137.15

Finding the Fourth Proportional to 104,883.45, 144,739.43 and 57,137.15

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Solution

The fourth proportional to 104,883.45, 144,739.43 and 57,137.15 is: 78,849.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,883.45 : 144,739.43 = 57,137.15 : x
  2. Step 2: Convert to fraction form
    104,883.45/144,739.43 = 57,137.15/x
  3. Step 3: Cross multiply
    104,883.45x = 144,739.43 × 57,137.15
  4. Step 4: Simplify right side
    104,883.45x = 8,269,997,513.44
  5. Step 5: Solve for x
    x = 8,269,997,513.44/104,883.45
  6. Step 6: Final answer
    x = 78,849.40

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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.