Home / 256,656.06-385,049.79-106,846.56

Finding the Fourth Proportional to 256,656.06, 385,049.79 and 106,846.56

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Solution

The fourth proportional to 256,656.06, 385,049.79 and 106,846.56 is: 160,297.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,656.06 : 385,049.79 = 106,846.56 : x
  2. Step 2: Convert to fraction form
    256,656.06/385,049.79 = 106,846.56/x
  3. Step 3: Cross multiply
    256,656.06x = 385,049.79 × 106,846.56
  4. Step 4: Simplify right side
    256,656.06x = 41,141,245,490.22
  5. Step 5: Solve for x
    x = 41,141,245,490.22/256,656.06
  6. Step 6: Final answer
    x = 160,297.19

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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.