Home / 256,905.99-385,094.12-107,233.38

Finding the Fourth Proportional to 256,905.99, 385,094.12 and 107,233.38

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Solution

The fourth proportional to 256,905.99, 385,094.12 and 107,233.38 is: 160,739.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,905.99 : 385,094.12 = 107,233.38 : x
  2. Step 2: Convert to fraction form
    256,905.99/385,094.12 = 107,233.38/x
  3. Step 3: Cross multiply
    256,905.99x = 385,094.12 × 107,233.38
  4. Step 4: Simplify right side
    256,905.99x = 41,294,943,569.56
  5. Step 5: Solve for x
    x = 41,294,943,569.56/256,905.99
  6. Step 6: Final answer
    x = 160,739.51

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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.