Home / 239,239.71-330,198.57-137,334.03

Finding the Fourth Proportional to 239,239.71, 330,198.57 and 137,334.03

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Solution

The fourth proportional to 239,239.71, 330,198.57 and 137,334.03 is: 189,548.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,239.71 : 330,198.57 = 137,334.03 : x
  2. Step 2: Convert to fraction form
    239,239.71/330,198.57 = 137,334.03/x
  3. Step 3: Cross multiply
    239,239.71x = 330,198.57 × 137,334.03
  4. Step 4: Simplify right side
    239,239.71x = 45,347,500,318.34
  5. Step 5: Solve for x
    x = 45,347,500,318.34/239,239.71
  6. Step 6: Final answer
    x = 189,548.38

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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.