Home / 239,342.22-330,278.76-131,911.92

Finding the Fourth Proportional to 239,342.22, 330,278.76 and 131,911.92

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Solution

The fourth proportional to 239,342.22, 330,278.76 and 131,911.92 is: 182,031.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,342.22 : 330,278.76 = 131,911.92 : x
  2. Step 2: Convert to fraction form
    239,342.22/330,278.76 = 131,911.92/x
  3. Step 3: Cross multiply
    239,342.22x = 330,278.76 × 131,911.92
  4. Step 4: Simplify right side
    239,342.22x = 43,567,705,366.82
  5. Step 5: Solve for x
    x = 43,567,705,366.82/239,342.22
  6. Step 6: Final answer
    x = 182,031.01

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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.