Home / 105,568.77-145,687.26-60,245.85

Finding the Fourth Proportional to 105,568.77, 145,687.26 and 60,245.85

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Solution

The fourth proportional to 105,568.77, 145,687.26 and 60,245.85 is: 83,140.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,568.77 : 145,687.26 = 60,245.85 : x
  2. Step 2: Convert to fraction form
    105,568.77/145,687.26 = 60,245.85/x
  3. Step 3: Cross multiply
    105,568.77x = 145,687.26 × 60,245.85
  4. Step 4: Simplify right side
    105,568.77x = 8,777,052,812.87
  5. Step 5: Solve for x
    x = 8,777,052,812.87/105,568.77
  6. Step 6: Final answer
    x = 83,140.62

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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.