Home / 106,179.12-146,466.24-66,366

Finding the Fourth Proportional to 106,179.12, 146,466.24 and 66,366

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Solution

The fourth proportional to 106,179.12, 146,466.24 and 66,366 is: 91,546.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,179.12 : 146,466.24 = 66,366 : x
  2. Step 2: Convert to fraction form
    106,179.12/146,466.24 = 66,366/x
  3. Step 3: Cross multiply
    106,179.12x = 146,466.24 × 66,366
  4. Step 4: Simplify right side
    106,179.12x = 9,720,378,483.84
  5. Step 5: Solve for x
    x = 9,720,378,483.84/106,179.12
  6. Step 6: Final answer
    x = 91,546.99

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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.