Home / 239,317.16-330,259.92-131,891.12

Finding the Fourth Proportional to 239,317.16, 330,259.92 and 131,891.12

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Solution

The fourth proportional to 239,317.16, 330,259.92 and 131,891.12 is: 182,010.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,317.16 : 330,259.92 = 131,891.12 : x
  2. Step 2: Convert to fraction form
    239,317.16/330,259.92 = 131,891.12/x
  3. Step 3: Cross multiply
    239,317.16x = 330,259.92 × 131,891.12
  4. Step 4: Simplify right side
    239,317.16x = 43,558,350,739.91
  5. Step 5: Solve for x
    x = 43,558,350,739.91/239,317.16
  6. Step 6: Final answer
    x = 182,010.98

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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.