Home / 110,728.40-166,012.11-44,148.56

Finding the Fourth Proportional to 110,728.40, 166,012.11 and 44,148.56

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Solution

The fourth proportional to 110,728.40, 166,012.11 and 44,148.56 is: 66,190.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,728.40 : 166,012.11 = 44,148.56 : x
  2. Step 2: Convert to fraction form
    110,728.40/166,012.11 = 44,148.56/x
  3. Step 3: Cross multiply
    110,728.40x = 166,012.11 × 44,148.56
  4. Step 4: Simplify right side
    110,728.40x = 7,329,195,599.06
  5. Step 5: Solve for x
    x = 7,329,195,599.06/110,728.40
  6. Step 6: Final answer
    x = 66,190.75

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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.