Home / 239,271.53-330,182.78-131,824.22

Finding the Fourth Proportional to 239,271.53, 330,182.78 and 131,824.22

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Solution

The fourth proportional to 239,271.53, 330,182.78 and 131,824.22 is: 181,910.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,271.53 : 330,182.78 = 131,824.22 : x
  2. Step 2: Convert to fraction form
    239,271.53/330,182.78 = 131,824.22/x
  3. Step 3: Cross multiply
    239,271.53x = 330,182.78 × 131,824.22
  4. Step 4: Simplify right side
    239,271.53x = 43,526,085,120.90
  5. Step 5: Solve for x
    x = 43,526,085,120.90/239,271.53
  6. Step 6: Final answer
    x = 181,910.84

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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.