Home / 131,887.68-197,855.86-43,145.88

Finding the Fourth Proportional to 131,887.68, 197,855.86 and 43,145.88

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Solution

The fourth proportional to 131,887.68, 197,855.86 and 43,145.88 is: 64,726.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,887.68 : 197,855.86 = 43,145.88 : x
  2. Step 2: Convert to fraction form
    131,887.68/197,855.86 = 43,145.88/x
  3. Step 3: Cross multiply
    131,887.68x = 197,855.86 × 43,145.88
  4. Step 4: Simplify right side
    131,887.68x = 8,536,665,192.86
  5. Step 5: Solve for x
    x = 8,536,665,192.86/131,887.68
  6. Step 6: Final answer
    x = 64,726.78

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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.