Home / 256,723.56-385,151.22-106,914.06

Finding the Fourth Proportional to 256,723.56, 385,151.22 and 106,914.06

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Solution

The fourth proportional to 256,723.56, 385,151.22 and 106,914.06 is: 160,398.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,723.56 : 385,151.22 = 106,914.06 : x
  2. Step 2: Convert to fraction form
    256,723.56/385,151.22 = 106,914.06/x
  3. Step 3: Cross multiply
    256,723.56x = 385,151.22 × 106,914.06
  4. Step 4: Simplify right side
    256,723.56x = 41,178,080,644.15
  5. Step 5: Solve for x
    x = 41,178,080,644.15/256,723.56
  6. Step 6: Final answer
    x = 160,398.53

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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.