Home / 239,396.22-330,274.26-137,384.82

Finding the Fourth Proportional to 239,396.22, 330,274.26 and 137,384.82

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Solution

The fourth proportional to 239,396.22, 330,274.26 and 137,384.82 is: 189,537.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,396.22 : 330,274.26 = 137,384.82 : x
  2. Step 2: Convert to fraction form
    239,396.22/330,274.26 = 137,384.82/x
  3. Step 3: Cross multiply
    239,396.22x = 330,274.26 × 137,384.82
  4. Step 4: Simplify right side
    239,396.22x = 45,374,669,760.73
  5. Step 5: Solve for x
    x = 45,374,669,760.73/239,396.22
  6. Step 6: Final answer
    x = 189,537.95

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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.