Home / 239,873.86-331,031.10-132,450.72

Finding the Fourth Proportional to 239,873.86, 331,031.10 and 132,450.72

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Solution

The fourth proportional to 239,873.86, 331,031.10 and 132,450.72 is: 182,784.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,873.86 : 331,031.10 = 132,450.72 : x
  2. Step 2: Convert to fraction form
    239,873.86/331,031.10 = 132,450.72/x
  3. Step 3: Cross multiply
    239,873.86x = 331,031.10 × 132,450.72
  4. Step 4: Simplify right side
    239,873.86x = 43,845,307,537.39
  5. Step 5: Solve for x
    x = 43,845,307,537.39/239,873.86
  6. Step 6: Final answer
    x = 182,784.85

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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.