Home / 246,036.64-339,531.60-138,607.96

Finding the Fourth Proportional to 246,036.64, 339,531.60 and 138,607.96

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Solution

The fourth proportional to 246,036.64, 339,531.60 and 138,607.96 is: 191,279.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,036.64 : 339,531.60 = 138,607.96 : x
  2. Step 2: Convert to fraction form
    246,036.64/339,531.60 = 138,607.96/x
  3. Step 3: Cross multiply
    246,036.64x = 339,531.60 × 138,607.96
  4. Step 4: Simplify right side
    246,036.64x = 47,061,782,431.54
  5. Step 5: Solve for x
    x = 47,061,782,431.54/246,036.64
  6. Step 6: Final answer
    x = 191,279.57

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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.