Home / 239,345.48-330,299.07-131,919.64

Finding the Fourth Proportional to 239,345.48, 330,299.07 and 131,919.64

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Solution

The fourth proportional to 239,345.48, 330,299.07 and 131,919.64 is: 182,050.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,345.48 : 330,299.07 = 131,919.64 : x
  2. Step 2: Convert to fraction form
    239,345.48/330,299.07 = 131,919.64/x
  3. Step 3: Cross multiply
    239,345.48x = 330,299.07 × 131,919.64
  4. Step 4: Simplify right side
    239,345.48x = 43,572,933,086.29
  5. Step 5: Solve for x
    x = 43,572,933,086.29/239,345.48
  6. Step 6: Final answer
    x = 182,050.37

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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.