Home / 239,318.08-330,245.68-131,866.72

Finding the Fourth Proportional to 239,318.08, 330,245.68 and 131,866.72

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Solution

The fourth proportional to 239,318.08, 330,245.68 and 131,866.72 is: 181,968.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,318.08 : 330,245.68 = 131,866.72 : x
  2. Step 2: Convert to fraction form
    239,318.08/330,245.68 = 131,866.72/x
  3. Step 3: Cross multiply
    239,318.08x = 330,245.68 × 131,866.72
  4. Step 4: Simplify right side
    239,318.08x = 43,548,414,615.77
  5. Step 5: Solve for x
    x = 43,548,414,615.77/239,318.08
  6. Step 6: Final answer
    x = 181,968.76

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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.