Home / 137,788.75-206,602.69-53,450.37

Finding the Fourth Proportional to 137,788.75, 206,602.69 and 53,450.37

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Solution

The fourth proportional to 137,788.75, 206,602.69 and 53,450.37 is: 80,144.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,788.75 : 206,602.69 = 53,450.37 : x
  2. Step 2: Convert to fraction form
    137,788.75/206,602.69 = 53,450.37/x
  3. Step 3: Cross multiply
    137,788.75x = 206,602.69 × 53,450.37
  4. Step 4: Simplify right side
    137,788.75x = 11,042,988,923.23
  5. Step 5: Solve for x
    x = 11,042,988,923.23/137,788.75
  6. Step 6: Final answer
    x = 80,144.34

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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.