Home / 137,877.86-206,850.06-47,907.48

Finding the Fourth Proportional to 137,877.86, 206,850.06 and 47,907.48

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Solution

The fourth proportional to 137,877.86, 206,850.06 and 47,907.48 is: 71,872.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,877.86 : 206,850.06 = 47,907.48 : x
  2. Step 2: Convert to fraction form
    137,877.86/206,850.06 = 47,907.48/x
  3. Step 3: Cross multiply
    137,877.86x = 206,850.06 × 47,907.48
  4. Step 4: Simplify right side
    137,877.86x = 9,909,665,112.45
  5. Step 5: Solve for x
    x = 9,909,665,112.45/137,877.86
  6. Step 6: Final answer
    x = 71,872.78

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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.