Home / 137,538.05-206,239.01-48,778.25

Finding the Fourth Proportional to 137,538.05, 206,239.01 and 48,778.25

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Solution

The fourth proportional to 137,538.05, 206,239.01 and 48,778.25 is: 73,143.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,538.05 : 206,239.01 = 48,778.25 : x
  2. Step 2: Convert to fraction form
    137,538.05/206,239.01 = 48,778.25/x
  3. Step 3: Cross multiply
    137,538.05x = 206,239.01 × 48,778.25
  4. Step 4: Simplify right side
    137,538.05x = 10,059,976,714.45
  5. Step 5: Solve for x
    x = 10,059,976,714.45/137,538.05
  6. Step 6: Final answer
    x = 73,143.23

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1.5x scale

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.