Home / 137,520.72-206,121.44-52,077.26

Finding the Fourth Proportional to 137,520.72, 206,121.44 and 52,077.26

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Solution

The fourth proportional to 137,520.72, 206,121.44 and 52,077.26 is: 78,055.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,520.72 : 206,121.44 = 52,077.26 : x
  2. Step 2: Convert to fraction form
    137,520.72/206,121.44 = 52,077.26/x
  3. Step 3: Cross multiply
    137,520.72x = 206,121.44 × 52,077.26
  4. Step 4: Simplify right side
    137,520.72x = 10,734,240,467.95
  5. Step 5: Solve for x
    x = 10,734,240,467.95/137,520.72
  6. Step 6: Final answer
    x = 78,055.44

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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.