Home / 131,993.22-182,150.07-71,563.68

Finding the Fourth Proportional to 131,993.22, 182,150.07 and 71,563.68

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Solution

The fourth proportional to 131,993.22, 182,150.07 and 71,563.68 is: 98,757.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,993.22 : 182,150.07 = 71,563.68 : x
  2. Step 2: Convert to fraction form
    131,993.22/182,150.07 = 71,563.68/x
  3. Step 3: Cross multiply
    131,993.22x = 182,150.07 × 71,563.68
  4. Step 4: Simplify right side
    131,993.22x = 13,035,329,321.46
  5. Step 5: Solve for x
    x = 13,035,329,321.46/131,993.22
  6. Step 6: Final answer
    x = 98,757.57

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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.