Home / 131,431.20-197,215.65-60,375.30

Finding the Fourth Proportional to 131,431.20, 197,215.65 and 60,375.30

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Solution

The fourth proportional to 131,431.20, 197,215.65 and 60,375.30 is: 90,594.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,431.20 : 197,215.65 = 60,375.30 : x
  2. Step 2: Convert to fraction form
    131,431.20/197,215.65 = 60,375.30/x
  3. Step 3: Cross multiply
    131,431.20x = 197,215.65 × 60,375.30
  4. Step 4: Simplify right side
    131,431.20x = 11,906,954,033.45
  5. Step 5: Solve for x
    x = 11,906,954,033.45/131,431.20
  6. Step 6: Final answer
    x = 90,594.58

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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.