Home / 203,917.24-305,707.40-89,983.92

Finding the Fourth Proportional to 203,917.24, 305,707.40 and 89,983.92

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Solution

The fourth proportional to 203,917.24, 305,707.40 and 89,983.92 is: 134,901.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,917.24 : 305,707.40 = 89,983.92 : x
  2. Step 2: Convert to fraction form
    203,917.24/305,707.40 = 89,983.92/x
  3. Step 3: Cross multiply
    203,917.24x = 305,707.40 × 89,983.92
  4. Step 4: Simplify right side
    203,917.24x = 27,508,750,225.01
  5. Step 5: Solve for x
    x = 27,508,750,225.01/203,917.24
  6. Step 6: Final answer
    x = 134,901.54

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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.