Home / 239,519.22-330,525.40-137,472.86

Finding the Fourth Proportional to 239,519.22, 330,525.40 and 137,472.86

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Solution

The fourth proportional to 239,519.22, 330,525.40 and 137,472.86 is: 189,706.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,519.22 : 330,525.40 = 137,472.86 : x
  2. Step 2: Convert to fraction form
    239,519.22/330,525.40 = 137,472.86/x
  3. Step 3: Cross multiply
    239,519.22x = 330,525.40 × 137,472.86
  4. Step 4: Simplify right side
    239,519.22x = 45,438,270,044.33
  5. Step 5: Solve for x
    x = 45,438,270,044.33/239,519.22
  6. Step 6: Final answer
    x = 189,706.16

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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.