Home / 246,149.66-339,681.83-138,717.54

Finding the Fourth Proportional to 246,149.66, 339,681.83 and 138,717.54

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Solution

The fourth proportional to 246,149.66, 339,681.83 and 138,717.54 is: 191,427.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,149.66 : 339,681.83 = 138,717.54 : x
  2. Step 2: Convert to fraction form
    246,149.66/339,681.83 = 138,717.54/x
  3. Step 3: Cross multiply
    246,149.66x = 339,681.83 × 138,717.54
  4. Step 4: Simplify right side
    246,149.66x = 47,119,827,840.30
  5. Step 5: Solve for x
    x = 47,119,827,840.30/246,149.66
  6. Step 6: Final answer
    x = 191,427.56

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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.