Home / 239,164.18-330,033.89-131,713.83

Finding the Fourth Proportional to 239,164.18, 330,033.89 and 131,713.83

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Solution

The fourth proportional to 239,164.18, 330,033.89 and 131,713.83 is: 181,758.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,164.18 : 330,033.89 = 131,713.83 : x
  2. Step 2: Convert to fraction form
    239,164.18/330,033.89 = 131,713.83/x
  3. Step 3: Cross multiply
    239,164.18x = 330,033.89 × 131,713.83
  4. Step 4: Simplify right side
    239,164.18x = 43,470,028,010.98
  5. Step 5: Solve for x
    x = 43,470,028,010.98/239,164.18
  6. Step 6: Final answer
    x = 181,758.11

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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.