Home / 239,319.66-330,245.49-131,889.72

Finding the Fourth Proportional to 239,319.66, 330,245.49 and 131,889.72

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Solution

The fourth proportional to 239,319.66, 330,245.49 and 131,889.72 is: 181,999.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,319.66 : 330,245.49 = 131,889.72 : x
  2. Step 2: Convert to fraction form
    239,319.66/330,245.49 = 131,889.72/x
  3. Step 3: Cross multiply
    239,319.66x = 330,245.49 × 131,889.72
  4. Step 4: Simplify right side
    239,319.66x = 43,555,985,207.36
  5. Step 5: Solve for x
    x = 43,555,985,207.36/239,319.66
  6. Step 6: Final answer
    x = 181,999.19

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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.