Home / 246,171.91-339,707.39-138,764.24

Finding the Fourth Proportional to 246,171.91, 339,707.39 and 138,764.24

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Solution

The fourth proportional to 246,171.91, 339,707.39 and 138,764.24 is: 191,489.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,171.91 : 339,707.39 = 138,764.24 : x
  2. Step 2: Convert to fraction form
    246,171.91/339,707.39 = 138,764.24/x
  3. Step 3: Cross multiply
    246,171.91x = 339,707.39 × 138,764.24
  4. Step 4: Simplify right side
    246,171.91x = 47,139,237,848.10
  5. Step 5: Solve for x
    x = 47,139,237,848.10/246,171.91
  6. Step 6: Final answer
    x = 191,489.10

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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.