Home / 239,365.12-330,322.08-131,935.36

Finding the Fourth Proportional to 239,365.12, 330,322.08 and 131,935.36

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Solution

The fourth proportional to 239,365.12, 330,322.08 and 131,935.36 is: 182,069.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,365.12 : 330,322.08 = 131,935.36 : x
  2. Step 2: Convert to fraction form
    239,365.12/330,322.08 = 131,935.36/x
  3. Step 3: Cross multiply
    239,365.12x = 330,322.08 × 131,935.36
  4. Step 4: Simplify right side
    239,365.12x = 43,581,162,540.75
  5. Step 5: Solve for x
    x = 43,581,162,540.75/239,365.12
  6. Step 6: Final answer
    x = 182,069.81

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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.