Home / 149,112.66-205,542.03-101,282.97

Finding the Fourth Proportional to 149,112.66, 205,542.03 and 101,282.97

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Solution

The fourth proportional to 149,112.66, 205,542.03 and 101,282.97 is: 139,611.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,112.66 : 205,542.03 = 101,282.97 : x
  2. Step 2: Convert to fraction form
    149,112.66/205,542.03 = 101,282.97/x
  3. Step 3: Cross multiply
    149,112.66x = 205,542.03 × 101,282.97
  4. Step 4: Simplify right side
    149,112.66x = 20,817,907,258.23
  5. Step 5: Solve for x
    x = 20,817,907,258.23/149,112.66
  6. Step 6: Final answer
    x = 139,611.94

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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.