Home / 239,251.72-330,165.75-131,819.26

Finding the Fourth Proportional to 239,251.72, 330,165.75 and 131,819.26

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Solution

The fourth proportional to 239,251.72, 330,165.75 and 131,819.26 is: 181,909.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,251.72 : 330,165.75 = 131,819.26 : x
  2. Step 2: Convert to fraction form
    239,251.72/330,165.75 = 131,819.26/x
  3. Step 3: Cross multiply
    239,251.72x = 330,165.75 × 131,819.26
  4. Step 4: Simplify right side
    239,251.72x = 43,522,204,842.35
  5. Step 5: Solve for x
    x = 43,522,204,842.35/239,251.72
  6. Step 6: Final answer
    x = 181,909.68

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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.