Home / 220,261.68-329,967.96-131,586.16

Finding the Fourth Proportional to 220,261.68, 329,967.96 and 131,586.16

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Solution

The fourth proportional to 220,261.68, 329,967.96 and 131,586.16 is: 197,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,261.68 : 329,967.96 = 131,586.16 : x
  2. Step 2: Convert to fraction form
    220,261.68/329,967.96 = 131,586.16/x
  3. Step 3: Cross multiply
    220,261.68x = 329,967.96 × 131,586.16
  4. Step 4: Simplify right side
    220,261.68x = 43,419,216,779.43
  5. Step 5: Solve for x
    x = 43,419,216,779.43/220,261.68
  6. Step 6: Final answer
    x = 197,125.60

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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.