Home / 180,778.20-271,181.16-60,835.74

Finding the Fourth Proportional to 180,778.20, 271,181.16 and 60,835.74

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Solution

The fourth proportional to 180,778.20, 271,181.16 and 60,835.74 is: 91,258.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,778.20 : 271,181.16 = 60,835.74 : x
  2. Step 2: Convert to fraction form
    180,778.20/271,181.16 = 60,835.74/x
  3. Step 3: Cross multiply
    180,778.20x = 271,181.16 × 60,835.74
  4. Step 4: Simplify right side
    180,778.20x = 16,497,506,542.66
  5. Step 5: Solve for x
    x = 16,497,506,542.66/180,778.20
  6. Step 6: Final answer
    x = 91,258.27

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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.