Home / 135,723.75-203,557.41-51,454.86

Finding the Fourth Proportional to 135,723.75, 203,557.41 and 51,454.86

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Solution

The fourth proportional to 135,723.75, 203,557.41 and 51,454.86 is: 77,171.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,723.75 : 203,557.41 = 51,454.86 : x
  2. Step 2: Convert to fraction form
    135,723.75/203,557.41 = 51,454.86/x
  3. Step 3: Cross multiply
    135,723.75x = 203,557.41 × 51,454.86
  4. Step 4: Simplify right side
    135,723.75x = 10,474,018,033.51
  5. Step 5: Solve for x
    x = 10,474,018,033.51/135,723.75
  6. Step 6: Final answer
    x = 77,171.59

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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.