Home / 183,940.12-276,015.03-71,605.81

Finding the Fourth Proportional to 183,940.12, 276,015.03 and 71,605.81

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Solution

The fourth proportional to 183,940.12, 276,015.03 and 71,605.81 is: 107,449.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,940.12 : 276,015.03 = 71,605.81 : x
  2. Step 2: Convert to fraction form
    183,940.12/276,015.03 = 71,605.81/x
  3. Step 3: Cross multiply
    183,940.12x = 276,015.03 × 71,605.81
  4. Step 4: Simplify right side
    183,940.12x = 19,764,279,795.32
  5. Step 5: Solve for x
    x = 19,764,279,795.32/183,940.12
  6. Step 6: Final answer
    x = 107,449.53

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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.