Home / 246,019.80-339,539.58-138,610.56

Finding the Fourth Proportional to 246,019.80, 339,539.58 and 138,610.56

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Solution

The fourth proportional to 246,019.80, 339,539.58 and 138,610.56 is: 191,300.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,019.80 : 339,539.58 = 138,610.56 : x
  2. Step 2: Convert to fraction form
    246,019.80/339,539.58 = 138,610.56/x
  3. Step 3: Cross multiply
    246,019.80x = 339,539.58 × 138,610.56
  4. Step 4: Simplify right side
    246,019.80x = 47,063,771,325.96
  5. Step 5: Solve for x
    x = 47,063,771,325.96/246,019.80
  6. Step 6: Final answer
    x = 191,300.75

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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.