Home / 240,654.14-331,998.44-145,107.76

Finding the Fourth Proportional to 240,654.14, 331,998.44 and 145,107.76

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Solution

The fourth proportional to 240,654.14, 331,998.44 and 145,107.76 is: 200,185.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,654.14 : 331,998.44 = 145,107.76 : x
  2. Step 2: Convert to fraction form
    240,654.14/331,998.44 = 145,107.76/x
  3. Step 3: Cross multiply
    240,654.14x = 331,998.44 × 145,107.76
  4. Step 4: Simplify right side
    240,654.14x = 48,175,549,484.67
  5. Step 5: Solve for x
    x = 48,175,549,484.67/240,654.14
  6. Step 6: Final answer
    x = 200,185.83

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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.