Home / 218,625.72-327,197.86-134,439.20

Finding the Fourth Proportional to 218,625.72, 327,197.86 and 134,439.20

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Solution

The fourth proportional to 218,625.72, 327,197.86 and 134,439.20 is: 201,203.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,625.72 : 327,197.86 = 134,439.20 : x
  2. Step 2: Convert to fraction form
    218,625.72/327,197.86 = 134,439.20/x
  3. Step 3: Cross multiply
    218,625.72x = 327,197.86 × 134,439.20
  4. Step 4: Simplify right side
    218,625.72x = 43,988,219,022.01
  5. Step 5: Solve for x
    x = 43,988,219,022.01/218,625.72
  6. Step 6: Final answer
    x = 201,203.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.