Home / 82,351.15-123,525.42-26,190.44

Finding the Fourth Proportional to 82,351.15, 123,525.42 and 26,190.44

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Solution

The fourth proportional to 82,351.15, 123,525.42 and 26,190.44 is: 39,285.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,351.15 : 123,525.42 = 26,190.44 : x
  2. Step 2: Convert to fraction form
    82,351.15/123,525.42 = 26,190.44/x
  3. Step 3: Cross multiply
    82,351.15x = 123,525.42 × 26,190.44
  4. Step 4: Simplify right side
    82,351.15x = 3,235,185,690.52
  5. Step 5: Solve for x
    x = 3,235,185,690.52/82,351.15
  6. Step 6: Final answer
    x = 39,285.25

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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.