Home / 239,427.50-330,424.84-131,997.38

Finding the Fourth Proportional to 239,427.50, 330,424.84 and 131,997.38

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Solution

The fourth proportional to 239,427.50, 330,424.84 and 131,997.38 is: 182,164.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,427.50 : 330,424.84 = 131,997.38 : x
  2. Step 2: Convert to fraction form
    239,427.50/330,424.84 = 131,997.38/x
  3. Step 3: Cross multiply
    239,427.50x = 330,424.84 × 131,997.38
  4. Step 4: Simplify right side
    239,427.50x = 43,615,213,166.92
  5. Step 5: Solve for x
    x = 43,615,213,166.92/239,427.50
  6. Step 6: Final answer
    x = 182,164.59

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Double scale
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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.