Home / 106,131.11-146,447.58-71,750.60

Finding the Fourth Proportional to 106,131.11, 146,447.58 and 71,750.60

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Solution

The fourth proportional to 106,131.11, 146,447.58 and 71,750.60 is: 99,006.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,131.11 : 146,447.58 = 71,750.60 : x
  2. Step 2: Convert to fraction form
    106,131.11/146,447.58 = 71,750.60/x
  3. Step 3: Cross multiply
    106,131.11x = 146,447.58 × 71,750.60
  4. Step 4: Simplify right side
    106,131.11x = 10,507,702,099.67
  5. Step 5: Solve for x
    x = 10,507,702,099.67/106,131.11
  6. Step 6: Final answer
    x = 99,006.81

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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.