Home / 239,048.21-329,886.07-131,618.32

Finding the Fourth Proportional to 239,048.21, 329,886.07 and 131,618.32

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Solution

The fourth proportional to 239,048.21, 329,886.07 and 131,618.32 is: 181,633.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,048.21 : 329,886.07 = 131,618.32 : x
  2. Step 2: Convert to fraction form
    239,048.21/329,886.07 = 131,618.32/x
  3. Step 3: Cross multiply
    239,048.21x = 329,886.07 × 131,618.32
  4. Step 4: Simplify right side
    239,048.21x = 43,419,049,171.04
  5. Step 5: Solve for x
    x = 43,419,049,171.04/239,048.21
  6. Step 6: Final answer
    x = 181,633.02

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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.