Home / 240,836.20-361,257.94-91,147

Finding the Fourth Proportional to 240,836.20, 361,257.94 and 91,147

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Solution

The fourth proportional to 240,836.20, 361,257.94 and 91,147 is: 136,721.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,836.20 : 361,257.94 = 91,147 : x
  2. Step 2: Convert to fraction form
    240,836.20/361,257.94 = 91,147/x
  3. Step 3: Cross multiply
    240,836.20x = 361,257.94 × 91,147
  4. Step 4: Simplify right side
    240,836.20x = 32,927,577,457.18
  5. Step 5: Solve for x
    x = 32,927,577,457.18/240,836.20
  6. Step 6: Final answer
    x = 136,721.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.