Home / 203,426.16-305,174.48-68,477.36

Finding the Fourth Proportional to 203,426.16, 305,174.48 and 68,477.36

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Solution

The fourth proportional to 203,426.16, 305,174.48 and 68,477.36 is: 102,727.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,426.16 : 305,174.48 = 68,477.36 : x
  2. Step 2: Convert to fraction form
    203,426.16/305,174.48 = 68,477.36/x
  3. Step 3: Cross multiply
    203,426.16x = 305,174.48 × 68,477.36
  4. Step 4: Simplify right side
    203,426.16x = 20,897,542,729.77
  5. Step 5: Solve for x
    x = 20,897,542,729.77/203,426.16
  6. Step 6: Final answer
    x = 102,727.90

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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.