Home / 239,393.12-330,360.72-131,963.20

Finding the Fourth Proportional to 239,393.12, 330,360.72 and 131,963.20

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Solution

The fourth proportional to 239,393.12, 330,360.72 and 131,963.20 is: 182,108.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,393.12 : 330,360.72 = 131,963.20 : x
  2. Step 2: Convert to fraction form
    239,393.12/330,360.72 = 131,963.20/x
  3. Step 3: Cross multiply
    239,393.12x = 330,360.72 × 131,963.20
  4. Step 4: Simplify right side
    239,393.12x = 43,595,457,765.50
  5. Step 5: Solve for x
    x = 43,595,457,765.50/239,393.12
  6. Step 6: Final answer
    x = 182,108.23

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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.