Home / 106,427.76-146,600.28-81,233.52

Finding the Fourth Proportional to 106,427.76, 146,600.28 and 81,233.52

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Solution

The fourth proportional to 106,427.76, 146,600.28 and 81,233.52 is: 111,896.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,427.76 : 146,600.28 = 81,233.52 : x
  2. Step 2: Convert to fraction form
    106,427.76/146,600.28 = 81,233.52/x
  3. Step 3: Cross multiply
    106,427.76x = 146,600.28 × 81,233.52
  4. Step 4: Simplify right side
    106,427.76x = 11,908,856,777.39
  5. Step 5: Solve for x
    x = 11,908,856,777.39/106,427.76
  6. Step 6: Final answer
    x = 111,896.15

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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.