Home / 137,811.86-206,680.78-37,948.28

Finding the Fourth Proportional to 137,811.86, 206,680.78 and 37,948.28

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Solution

The fourth proportional to 137,811.86, 206,680.78 and 37,948.28 is: 56,912.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,811.86 : 206,680.78 = 37,948.28 : x
  2. Step 2: Convert to fraction form
    137,811.86/206,680.78 = 37,948.28/x
  3. Step 3: Cross multiply
    137,811.86x = 206,680.78 × 37,948.28
  4. Step 4: Simplify right side
    137,811.86x = 7,843,180,110.06
  5. Step 5: Solve for x
    x = 7,843,180,110.06/137,811.86
  6. Step 6: Final answer
    x = 56,912.23

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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.