Home / 220,080.20-330,242.90-118,876.19

Finding the Fourth Proportional to 220,080.20, 330,242.90 and 118,876.19

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Solution

The fourth proportional to 220,080.20, 330,242.90 and 118,876.19 is: 178,380.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,080.20 : 330,242.90 = 118,876.19 : x
  2. Step 2: Convert to fraction form
    220,080.20/330,242.90 = 118,876.19/x
  3. Step 3: Cross multiply
    220,080.20x = 330,242.90 × 118,876.19
  4. Step 4: Simplify right side
    220,080.20x = 39,258,015,480.96
  5. Step 5: Solve for x
    x = 39,258,015,480.96/220,080.20
  6. Step 6: Final answer
    x = 178,380.50

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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.