Home / 137,906.12-206,871.06-38,066.33

Finding the Fourth Proportional to 137,906.12, 206,871.06 and 38,066.33

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Solution

The fourth proportional to 137,906.12, 206,871.06 and 38,066.33 is: 57,102.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,906.12 : 206,871.06 = 38,066.33 : x
  2. Step 2: Convert to fraction form
    137,906.12/206,871.06 = 38,066.33/x
  3. Step 3: Cross multiply
    137,906.12x = 206,871.06 × 38,066.33
  4. Step 4: Simplify right side
    137,906.12x = 7,874,822,037.41
  5. Step 5: Solve for x
    x = 7,874,822,037.41/137,906.12
  6. Step 6: Final answer
    x = 57,102.77

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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.