Home / 204,977.66-307,525.98-85,012.61

Finding the Fourth Proportional to 204,977.66, 307,525.98 and 85,012.61

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Solution

The fourth proportional to 204,977.66, 307,525.98 and 85,012.61 is: 127,543.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,977.66 : 307,525.98 = 85,012.61 : x
  2. Step 2: Convert to fraction form
    204,977.66/307,525.98 = 85,012.61/x
  3. Step 3: Cross multiply
    204,977.66x = 307,525.98 × 85,012.61
  4. Step 4: Simplify right side
    204,977.66x = 26,143,586,202.61
  5. Step 5: Solve for x
    x = 26,143,586,202.61/204,977.66
  6. Step 6: Final answer
    x = 127,543.59

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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.