Home / 239,216.12-330,122.46-131,785.40

Finding the Fourth Proportional to 239,216.12, 330,122.46 and 131,785.40

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Solution

The fourth proportional to 239,216.12, 330,122.46 and 131,785.40 is: 181,866.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,216.12 : 330,122.46 = 131,785.40 : x
  2. Step 2: Convert to fraction form
    239,216.12/330,122.46 = 131,785.40/x
  3. Step 3: Cross multiply
    239,216.12x = 330,122.46 × 131,785.40
  4. Step 4: Simplify right side
    239,216.12x = 43,505,320,440.08
  5. Step 5: Solve for x
    x = 43,505,320,440.08/239,216.12
  6. Step 6: Final answer
    x = 181,866.17

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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.