Home / 147,621.60-221,432.40-108,255.60

Finding the Fourth Proportional to 147,621.60, 221,432.40 and 108,255.60

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Solution

The fourth proportional to 147,621.60, 221,432.40 and 108,255.60 is: 162,383.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,621.60 : 221,432.40 = 108,255.60 : x
  2. Step 2: Convert to fraction form
    147,621.60/221,432.40 = 108,255.60/x
  3. Step 3: Cross multiply
    147,621.60x = 221,432.40 × 108,255.60
  4. Step 4: Simplify right side
    147,621.60x = 23,971,297,321.44
  5. Step 5: Solve for x
    x = 23,971,297,321.44/147,621.60
  6. Step 6: Final answer
    x = 162,383.40

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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.