Home / 239,855.85-331,001.91-132,426.63

Finding the Fourth Proportional to 239,855.85, 331,001.91 and 132,426.63

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Solution

The fourth proportional to 239,855.85, 331,001.91 and 132,426.63 is: 182,749.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,855.85 : 331,001.91 = 132,426.63 : x
  2. Step 2: Convert to fraction form
    239,855.85/331,001.91 = 132,426.63/x
  3. Step 3: Cross multiply
    239,855.85x = 331,001.91 × 132,426.63
  4. Step 4: Simplify right side
    239,855.85x = 43,833,467,464.86
  5. Step 5: Solve for x
    x = 43,833,467,464.86/239,855.85
  6. Step 6: Final answer
    x = 182,749.21

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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.