Home / 239,321.52-330,259.64-131,889.26

Finding the Fourth Proportional to 239,321.52, 330,259.64 and 131,889.26

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Solution

The fourth proportional to 239,321.52, 330,259.64 and 131,889.26 is: 182,004.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,321.52 : 330,259.64 = 131,889.26 : x
  2. Step 2: Convert to fraction form
    239,321.52/330,259.64 = 131,889.26/x
  3. Step 3: Cross multiply
    239,321.52x = 330,259.64 × 131,889.26
  4. Step 4: Simplify right side
    239,321.52x = 43,557,699,527.47
  5. Step 5: Solve for x
    x = 43,557,699,527.47/239,321.52
  6. Step 6: Final answer
    x = 182,004.94

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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.