Home / 220,952.16-331,440.40-71,181.60

Finding the Fourth Proportional to 220,952.16, 331,440.40 and 71,181.60

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Solution

The fourth proportional to 220,952.16, 331,440.40 and 71,181.60 is: 106,776.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,952.16 : 331,440.40 = 71,181.60 : x
  2. Step 2: Convert to fraction form
    220,952.16/331,440.40 = 71,181.60/x
  3. Step 3: Cross multiply
    220,952.16x = 331,440.40 × 71,181.60
  4. Step 4: Simplify right side
    220,952.16x = 23,592,457,976.64
  5. Step 5: Solve for x
    x = 23,592,457,976.64/220,952.16
  6. Step 6: Final answer
    x = 106,776.32

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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.