Home / 104,739.43-144,544.05-56,994.61

Finding the Fourth Proportional to 104,739.43, 144,544.05 and 56,994.61

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Solution

The fourth proportional to 104,739.43, 144,544.05 and 56,994.61 is: 78,654.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,739.43 : 144,544.05 = 56,994.61 : x
  2. Step 2: Convert to fraction form
    104,739.43/144,544.05 = 56,994.61/x
  3. Step 3: Cross multiply
    104,739.43x = 144,544.05 × 56,994.61
  4. Step 4: Simplify right side
    104,739.43x = 8,238,231,757.57
  5. Step 5: Solve for x
    x = 8,238,231,757.57/104,739.43
  6. Step 6: Final answer
    x = 78,654.54

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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.