Home / 246,390.40-339,998.38-138,986.83

Finding the Fourth Proportional to 246,390.40, 339,998.38 and 138,986.83

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Solution

The fourth proportional to 246,390.40, 339,998.38 and 138,986.83 is: 191,790.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,390.40 : 339,998.38 = 138,986.83 : x
  2. Step 2: Convert to fraction form
    246,390.40/339,998.38 = 138,986.83/x
  3. Step 3: Cross multiply
    246,390.40x = 339,998.38 × 138,986.83
  4. Step 4: Simplify right side
    246,390.40x = 47,255,297,041.34
  5. Step 5: Solve for x
    x = 47,255,297,041.34/246,390.40
  6. Step 6: Final answer
    x = 191,790.33

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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.