Home / 189,003.03-260,824.65-104,121.51

Finding the Fourth Proportional to 189,003.03, 260,824.65 and 104,121.51

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Solution

The fourth proportional to 189,003.03, 260,824.65 and 104,121.51 is: 143,687.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,003.03 : 260,824.65 = 104,121.51 : x
  2. Step 2: Convert to fraction form
    189,003.03/260,824.65 = 104,121.51/x
  3. Step 3: Cross multiply
    189,003.03x = 260,824.65 × 104,121.51
  4. Step 4: Simplify right side
    189,003.03x = 27,157,456,403.22
  5. Step 5: Solve for x
    x = 27,157,456,403.22/189,003.03
  6. Step 6: Final answer
    x = 143,687.94

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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.