Home / 185,921.46-256,566.26-105,375

Finding the Fourth Proportional to 185,921.46, 256,566.26 and 105,375

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Solution

The fourth proportional to 185,921.46, 256,566.26 and 105,375 is: 145,414.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,921.46 : 256,566.26 = 105,375 : x
  2. Step 2: Convert to fraction form
    185,921.46/256,566.26 = 105,375/x
  3. Step 3: Cross multiply
    185,921.46x = 256,566.26 × 105,375
  4. Step 4: Simplify right side
    185,921.46x = 27,035,669,647.50
  5. Step 5: Solve for x
    x = 27,035,669,647.50/185,921.46
  6. Step 6: Final answer
    x = 145,414.47

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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.