Home / 105,359.96-145,380.44-60,039.86

Finding the Fourth Proportional to 105,359.96, 145,380.44 and 60,039.86

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Solution

The fourth proportional to 105,359.96, 145,380.44 and 60,039.86 is: 82,845.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,359.96 : 145,380.44 = 60,039.86 : x
  2. Step 2: Convert to fraction form
    105,359.96/145,380.44 = 60,039.86/x
  3. Step 3: Cross multiply
    105,359.96x = 145,380.44 × 60,039.86
  4. Step 4: Simplify right side
    105,359.96x = 8,728,620,687.54
  5. Step 5: Solve for x
    x = 8,728,620,687.54/105,359.96
  6. Step 6: Final answer
    x = 82,845.71

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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.