Home / 137,746.80-206,571.60-49,003.20

Finding the Fourth Proportional to 137,746.80, 206,571.60 and 49,003.20

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Solution

The fourth proportional to 137,746.80, 206,571.60 and 49,003.20 is: 73,487.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,746.80 : 206,571.60 = 49,003.20 : x
  2. Step 2: Convert to fraction form
    137,746.80/206,571.60 = 49,003.20/x
  3. Step 3: Cross multiply
    137,746.80x = 206,571.60 × 49,003.20
  4. Step 4: Simplify right side
    137,746.80x = 10,122,669,429.12
  5. Step 5: Solve for x
    x = 10,122,669,429.12/137,746.80
  6. Step 6: Final answer
    x = 73,487.51

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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.