Home / 106,011.12-146,234.43-66,198

Finding the Fourth Proportional to 106,011.12, 146,234.43 and 66,198

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Solution

The fourth proportional to 106,011.12, 146,234.43 and 66,198 is: 91,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,011.12 : 146,234.43 = 66,198 : x
  2. Step 2: Convert to fraction form
    106,011.12/146,234.43 = 66,198/x
  3. Step 3: Cross multiply
    106,011.12x = 146,234.43 × 66,198
  4. Step 4: Simplify right side
    106,011.12x = 9,680,426,797.14
  5. Step 5: Solve for x
    x = 9,680,426,797.14/106,011.12
  6. Step 6: Final answer
    x = 91,315.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.