Home / 246,103.20-339,615.36-138,671.28

Finding the Fourth Proportional to 246,103.20, 339,615.36 and 138,671.28

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Solution

The fourth proportional to 246,103.20, 339,615.36 and 138,671.28 is: 191,362.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,103.20 : 339,615.36 = 138,671.28 : x
  2. Step 2: Convert to fraction form
    246,103.20/339,615.36 = 138,671.28/x
  3. Step 3: Cross multiply
    246,103.20x = 339,615.36 × 138,671.28
  4. Step 4: Simplify right side
    246,103.20x = 47,094,896,678.86
  5. Step 5: Solve for x
    x = 47,094,896,678.86/246,103.20
  6. Step 6: Final answer
    x = 191,362.39

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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.