Home / 239,188.68-330,080.76-131,759.16

Finding the Fourth Proportional to 239,188.68, 330,080.76 and 131,759.16

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Solution

The fourth proportional to 239,188.68, 330,080.76 and 131,759.16 is: 181,827.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,188.68 : 330,080.76 = 131,759.16 : x
  2. Step 2: Convert to fraction form
    239,188.68/330,080.76 = 131,759.16/x
  3. Step 3: Cross multiply
    239,188.68x = 330,080.76 × 131,759.16
  4. Step 4: Simplify right side
    239,188.68x = 43,491,163,669.76
  5. Step 5: Solve for x
    x = 43,491,163,669.76/239,188.68
  6. Step 6: Final answer
    x = 181,827.85

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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.