Home / 239,180.93-330,083.86-137,205.64

Finding the Fourth Proportional to 239,180.93, 330,083.86 and 137,205.64

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Solution

The fourth proportional to 239,180.93, 330,083.86 and 137,205.64 is: 189,351.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,180.93 : 330,083.86 = 137,205.64 : x
  2. Step 2: Convert to fraction form
    239,180.93/330,083.86 = 137,205.64/x
  3. Step 3: Cross multiply
    239,180.93x = 330,083.86 × 137,205.64
  4. Step 4: Simplify right side
    239,180.93x = 45,289,367,264.97
  5. Step 5: Solve for x
    x = 45,289,367,264.97/239,180.93
  6. Step 6: Final answer
    x = 189,351.92

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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.