Home / 246,385.90-339,992.18-138,982.33

Finding the Fourth Proportional to 246,385.90, 339,992.18 and 138,982.33

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Solution

The fourth proportional to 246,385.90, 339,992.18 and 138,982.33 is: 191,784.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,385.90 : 339,992.18 = 138,982.33 : x
  2. Step 2: Convert to fraction form
    246,385.90/339,992.18 = 138,982.33/x
  3. Step 3: Cross multiply
    246,385.90x = 339,992.18 × 138,982.33
  4. Step 4: Simplify right side
    246,385.90x = 47,252,903,813.29
  5. Step 5: Solve for x
    x = 47,252,903,813.29/246,385.90
  6. Step 6: Final answer
    x = 191,784.13

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1.5x scale

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.