Home / 239,356.12-330,309.66-131,926.36

Finding the Fourth Proportional to 239,356.12, 330,309.66 and 131,926.36

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Solution

The fourth proportional to 239,356.12, 330,309.66 and 131,926.36 is: 182,057.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,356.12 : 330,309.66 = 131,926.36 : x
  2. Step 2: Convert to fraction form
    239,356.12/330,309.66 = 131,926.36/x
  3. Step 3: Cross multiply
    239,356.12x = 330,309.66 × 131,926.36
  4. Step 4: Simplify right side
    239,356.12x = 43,576,551,116.64
  5. Step 5: Solve for x
    x = 43,576,551,116.64/239,356.12
  6. Step 6: Final answer
    x = 182,057.39

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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.