Home / 131,646.21-197,469.87-41,689.38

Finding the Fourth Proportional to 131,646.21, 197,469.87 and 41,689.38

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Solution

The fourth proportional to 131,646.21, 197,469.87 and 41,689.38 is: 62,534.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,646.21 : 197,469.87 = 41,689.38 : x
  2. Step 2: Convert to fraction form
    131,646.21/197,469.87 = 41,689.38/x
  3. Step 3: Cross multiply
    131,646.21x = 197,469.87 × 41,689.38
  4. Step 4: Simplify right side
    131,646.21x = 8,232,397,384.91
  5. Step 5: Solve for x
    x = 8,232,397,384.91/131,646.21
  6. Step 6: Final answer
    x = 62,534.25

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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.