Home / 149,671.14-206,718.00-109,016.40

Finding the Fourth Proportional to 149,671.14, 206,718.00 and 109,016.40

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Solution

The fourth proportional to 149,671.14, 206,718.00 and 109,016.40 is: 150,567.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,671.14 : 206,718.00 = 109,016.40 : x
  2. Step 2: Convert to fraction form
    149,671.14/206,718.00 = 109,016.40/x
  3. Step 3: Cross multiply
    149,671.14x = 206,718.00 × 109,016.40
  4. Step 4: Simplify right side
    149,671.14x = 22,535,652,964.54
  5. Step 5: Solve for x
    x = 22,535,652,964.54/149,671.14
  6. Step 6: Final answer
    x = 150,567.79

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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.