Home / 246,147.66-339,679.07-138,715.54

Finding the Fourth Proportional to 246,147.66, 339,679.07 and 138,715.54

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Solution

The fourth proportional to 246,147.66, 339,679.07 and 138,715.54 is: 191,424.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,147.66 : 339,679.07 = 138,715.54 : x
  2. Step 2: Convert to fraction form
    246,147.66/339,679.07 = 138,715.54/x
  3. Step 3: Cross multiply
    246,147.66x = 339,679.07 × 138,715.54
  4. Step 4: Simplify right side
    246,147.66x = 47,118,764,599.16
  5. Step 5: Solve for x
    x = 47,118,764,599.16/246,147.66
  6. Step 6: Final answer
    x = 191,424.79

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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.