Home / 149,938.38-206,908.88-88,724.25

Finding the Fourth Proportional to 149,938.38, 206,908.88 and 88,724.25

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Solution

The fourth proportional to 149,938.38, 206,908.88 and 88,724.25 is: 122,435.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,938.38 : 206,908.88 = 88,724.25 : x
  2. Step 2: Convert to fraction form
    149,938.38/206,908.88 = 88,724.25/x
  3. Step 3: Cross multiply
    149,938.38x = 206,908.88 × 88,724.25
  4. Step 4: Simplify right side
    149,938.38x = 18,357,834,752.72
  5. Step 5: Solve for x
    x = 18,357,834,752.72/149,938.38
  6. Step 6: Final answer
    x = 122,435.86

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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.