Home / 149,619.78-206,288.55-95,816.34

Finding the Fourth Proportional to 149,619.78, 206,288.55 and 95,816.34

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Solution

The fourth proportional to 149,619.78, 206,288.55 and 95,816.34 is: 132,106.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,619.78 : 206,288.55 = 95,816.34 : x
  2. Step 2: Convert to fraction form
    149,619.78/206,288.55 = 95,816.34/x
  3. Step 3: Cross multiply
    149,619.78x = 206,288.55 × 95,816.34
  4. Step 4: Simplify right side
    149,619.78x = 19,765,813,881.55
  5. Step 5: Solve for x
    x = 19,765,813,881.55/149,619.78
  6. Step 6: Final answer
    x = 132,106.96

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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.