Home / 137,865.70-206,799.36-49,122.64

Finding the Fourth Proportional to 137,865.70, 206,799.36 and 49,122.64

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Solution

The fourth proportional to 137,865.70, 206,799.36 and 49,122.64 is: 73,684.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,865.70 : 206,799.36 = 49,122.64 : x
  2. Step 2: Convert to fraction form
    137,865.70/206,799.36 = 49,122.64/x
  3. Step 3: Cross multiply
    137,865.70x = 206,799.36 × 49,122.64
  4. Step 4: Simplify right side
    137,865.70x = 10,158,530,513.51
  5. Step 5: Solve for x
    x = 10,158,530,513.51/137,865.70
  6. Step 6: Final answer
    x = 73,684.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.