Home / 135,826.48-203,873.81-101,974.76

Finding the Fourth Proportional to 135,826.48, 203,873.81 and 101,974.76

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Solution

The fourth proportional to 135,826.48, 203,873.81 and 101,974.76 is: 153,062.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,826.48 : 203,873.81 = 101,974.76 : x
  2. Step 2: Convert to fraction form
    135,826.48/203,873.81 = 101,974.76/x
  3. Step 3: Cross multiply
    135,826.48x = 203,873.81 × 101,974.76
  4. Step 4: Simplify right side
    135,826.48x = 20,789,982,845.04
  5. Step 5: Solve for x
    x = 20,789,982,845.04/135,826.48
  6. Step 6: Final answer
    x = 153,062.81

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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.