Home / 137,678.03-206,519.32-37,837.61

Finding the Fourth Proportional to 137,678.03, 206,519.32 and 37,837.61

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Solution

The fourth proportional to 137,678.03, 206,519.32 and 37,837.61 is: 56,757.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,678.03 : 206,519.32 = 37,837.61 : x
  2. Step 2: Convert to fraction form
    137,678.03/206,519.32 = 37,837.61/x
  3. Step 3: Cross multiply
    137,678.03x = 206,519.32 × 37,837.61
  4. Step 4: Simplify right side
    137,678.03x = 7,814,196,695.94
  5. Step 5: Solve for x
    x = 7,814,196,695.94/137,678.03
  6. Step 6: Final answer
    x = 56,757.03

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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.