Home / 114,517.40-172,236.90-102,536.60

Finding the Fourth Proportional to 114,517.40, 172,236.90 and 102,536.60

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Solution

The fourth proportional to 114,517.40, 172,236.90 and 102,536.60 is: 154,217.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,517.40 : 172,236.90 = 102,536.60 : x
  2. Step 2: Convert to fraction form
    114,517.40/172,236.90 = 102,536.60/x
  3. Step 3: Cross multiply
    114,517.40x = 172,236.90 × 102,536.60
  4. Step 4: Simplify right side
    114,517.40x = 17,660,586,120.54
  5. Step 5: Solve for x
    x = 17,660,586,120.54/114,517.40
  6. Step 6: Final answer
    x = 154,217.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.