Home / 131,455.21-197,216.07-36,685.38

Finding the Fourth Proportional to 131,455.21, 197,216.07 and 36,685.38

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Solution

The fourth proportional to 131,455.21, 197,216.07 and 36,685.38 is: 55,037.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,455.21 : 197,216.07 = 36,685.38 : x
  2. Step 2: Convert to fraction form
    131,455.21/197,216.07 = 36,685.38/x
  3. Step 3: Cross multiply
    131,455.21x = 197,216.07 × 36,685.38
  4. Step 4: Simplify right side
    131,455.21x = 7,234,946,470.06
  5. Step 5: Solve for x
    x = 7,234,946,470.06/131,455.21
  6. Step 6: Final answer
    x = 55,037.35

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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.