Home / 131,820.12-197,755.62-43,049.76

Finding the Fourth Proportional to 131,820.12, 197,755.62 and 43,049.76

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Solution

The fourth proportional to 131,820.12, 197,755.62 and 43,049.76 is: 64,582.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,820.12 : 197,755.62 = 43,049.76 : x
  2. Step 2: Convert to fraction form
    131,820.12/197,755.62 = 43,049.76/x
  3. Step 3: Cross multiply
    131,820.12x = 197,755.62 × 43,049.76
  4. Step 4: Simplify right side
    131,820.12x = 8,513,331,979.65
  5. Step 5: Solve for x
    x = 8,513,331,979.65/131,820.12
  6. Step 6: Final answer
    x = 64,582.95

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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.