Home / 137,948.86-206,975.82-48,001.56

Finding the Fourth Proportional to 137,948.86, 206,975.82 and 48,001.56

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Solution

The fourth proportional to 137,948.86, 206,975.82 and 48,001.56 is: 72,020.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,948.86 : 206,975.82 = 48,001.56 : x
  2. Step 2: Convert to fraction form
    137,948.86/206,975.82 = 48,001.56/x
  3. Step 3: Cross multiply
    137,948.86x = 206,975.82 × 48,001.56
  4. Step 4: Simplify right side
    137,948.86x = 9,935,163,198.44
  5. Step 5: Solve for x
    x = 9,935,163,198.44/137,948.86
  6. Step 6: Final answer
    x = 72,020.63

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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.