Home / 199,586.55-275,388.32-114,687.21

Finding the Fourth Proportional to 199,586.55, 275,388.32 and 114,687.21

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Solution

The fourth proportional to 199,586.55, 275,388.32 and 114,687.21 is: 158,244.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,586.55 : 275,388.32 = 114,687.21 : x
  2. Step 2: Convert to fraction form
    199,586.55/275,388.32 = 114,687.21/x
  3. Step 3: Cross multiply
    199,586.55x = 275,388.32 × 114,687.21
  4. Step 4: Simplify right side
    199,586.55x = 31,583,517,398.92
  5. Step 5: Solve for x
    x = 31,583,517,398.92/199,586.55
  6. Step 6: Final answer
    x = 158,244.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.