Home / 131,723.21-197,585.12-75,927.98

Finding the Fourth Proportional to 131,723.21, 197,585.12 and 75,927.98

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Solution

The fourth proportional to 131,723.21, 197,585.12 and 75,927.98 is: 113,892.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,723.21 : 197,585.12 = 75,927.98 : x
  2. Step 2: Convert to fraction form
    131,723.21/197,585.12 = 75,927.98/x
  3. Step 3: Cross multiply
    131,723.21x = 197,585.12 × 75,927.98
  4. Step 4: Simplify right side
    131,723.21x = 15,002,239,723.44
  5. Step 5: Solve for x
    x = 15,002,239,723.44/131,723.21
  6. Step 6: Final answer
    x = 113,892.15

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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.