Home / 131,520.60-197,151.30-64,906.20

Finding the Fourth Proportional to 131,520.60, 197,151.30 and 64,906.20

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Solution

The fourth proportional to 131,520.60, 197,151.30 and 64,906.20 is: 97,295.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,520.60 : 197,151.30 = 64,906.20 : x
  2. Step 2: Convert to fraction form
    131,520.60/197,151.30 = 64,906.20/x
  3. Step 3: Cross multiply
    131,520.60x = 197,151.30 × 64,906.20
  4. Step 4: Simplify right side
    131,520.60x = 12,796,341,708.06
  5. Step 5: Solve for x
    x = 12,796,341,708.06/131,520.60
  6. Step 6: Final answer
    x = 97,295.34

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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.