Home / 149,624.25-206,485.79-82,560.57

Finding the Fourth Proportional to 149,624.25, 206,485.79 and 82,560.57

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Solution

The fourth proportional to 149,624.25, 206,485.79 and 82,560.57 is: 113,935.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,624.25 : 206,485.79 = 82,560.57 : x
  2. Step 2: Convert to fraction form
    149,624.25/206,485.79 = 82,560.57/x
  3. Step 3: Cross multiply
    149,624.25x = 206,485.79 × 82,560.57
  4. Step 4: Simplify right side
    149,624.25x = 17,047,584,106.50
  5. Step 5: Solve for x
    x = 17,047,584,106.50/149,624.25
  6. Step 6: Final answer
    x = 113,935.97

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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.