Home / 239,162.12-330,043.69-131,732.15

Finding the Fourth Proportional to 239,162.12, 330,043.69 and 131,732.15

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Solution

The fourth proportional to 239,162.12, 330,043.69 and 131,732.15 is: 181,790.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,162.12 : 330,043.69 = 131,732.15 : x
  2. Step 2: Convert to fraction form
    239,162.12/330,043.69 = 131,732.15/x
  3. Step 3: Cross multiply
    239,162.12x = 330,043.69 × 131,732.15
  4. Step 4: Simplify right side
    239,162.12x = 43,477,363,949.83
  5. Step 5: Solve for x
    x = 43,477,363,949.83/239,162.12
  6. Step 6: Final answer
    x = 181,790.34

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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.