Home / 107,986.63-149,025.61-60,249.21

Finding the Fourth Proportional to 107,986.63, 149,025.61 and 60,249.21

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Solution

The fourth proportional to 107,986.63, 149,025.61 and 60,249.21 is: 83,146.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,986.63 : 149,025.61 = 60,249.21 : x
  2. Step 2: Convert to fraction form
    107,986.63/149,025.61 = 60,249.21/x
  3. Step 3: Cross multiply
    107,986.63x = 149,025.61 × 60,249.21
  4. Step 4: Simplify right side
    107,986.63x = 8,978,674,527.14
  5. Step 5: Solve for x
    x = 8,978,674,527.14/107,986.63
  6. Step 6: Final answer
    x = 83,146.17

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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.