Home / 106,183.12-146,471.76-66,370

Finding the Fourth Proportional to 106,183.12, 146,471.76 and 66,370

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Solution

The fourth proportional to 106,183.12, 146,471.76 and 66,370 is: 91,552.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,183.12 : 146,471.76 = 66,370 : x
  2. Step 2: Convert to fraction form
    106,183.12/146,471.76 = 66,370/x
  3. Step 3: Cross multiply
    106,183.12x = 146,471.76 × 66,370
  4. Step 4: Simplify right side
    106,183.12x = 9,721,330,711.20
  5. Step 5: Solve for x
    x = 9,721,330,711.20/106,183.12
  6. Step 6: Final answer
    x = 91,552.51

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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.