Home / 246,212.16-339,768.03-138,780.12

Finding the Fourth Proportional to 246,212.16, 339,768.03 and 138,780.12

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Solution

The fourth proportional to 246,212.16, 339,768.03 and 138,780.12 is: 191,513.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,212.16 : 339,768.03 = 138,780.12 : x
  2. Step 2: Convert to fraction form
    246,212.16/339,768.03 = 138,780.12/x
  3. Step 3: Cross multiply
    246,212.16x = 339,768.03 × 138,780.12
  4. Step 4: Simplify right side
    246,212.16x = 47,153,047,975.56
  5. Step 5: Solve for x
    x = 47,153,047,975.56/246,212.16
  6. Step 6: Final answer
    x = 191,513.89

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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.