Home / 197,451.54-272,396.57-115,738.37

Finding the Fourth Proportional to 197,451.54, 272,396.57 and 115,738.37

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Solution

The fourth proportional to 197,451.54, 272,396.57 and 115,738.37 is: 159,668.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,451.54 : 272,396.57 = 115,738.37 : x
  2. Step 2: Convert to fraction form
    197,451.54/272,396.57 = 115,738.37/x
  3. Step 3: Cross multiply
    197,451.54x = 272,396.57 × 115,738.37
  4. Step 4: Simplify right side
    197,451.54x = 31,526,734,737.23
  5. Step 5: Solve for x
    x = 31,526,734,737.23/197,451.54
  6. Step 6: Final answer
    x = 159,668.21

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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.