Home / 137,942.09-206,907.36-48,005.41

Finding the Fourth Proportional to 137,942.09, 206,907.36 and 48,005.41

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Solution

The fourth proportional to 137,942.09, 206,907.36 and 48,005.41 is: 72,006.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,942.09 : 206,907.36 = 48,005.41 : x
  2. Step 2: Convert to fraction form
    137,942.09/206,907.36 = 48,005.41/x
  3. Step 3: Cross multiply
    137,942.09x = 206,907.36 × 48,005.41
  4. Step 4: Simplify right side
    137,942.09x = 9,932,672,609.51
  5. Step 5: Solve for x
    x = 9,932,672,609.51/137,942.09
  6. Step 6: Final answer
    x = 72,006.11

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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.