Home / 137,647.26-206,433.45-37,783.80

Finding the Fourth Proportional to 137,647.26, 206,433.45 and 37,783.80

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Solution

The fourth proportional to 137,647.26, 206,433.45 and 37,783.80 is: 56,665.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,647.26 : 206,433.45 = 37,783.80 : x
  2. Step 2: Convert to fraction form
    137,647.26/206,433.45 = 37,783.80/x
  3. Step 3: Cross multiply
    137,647.26x = 206,433.45 × 37,783.80
  4. Step 4: Simplify right side
    137,647.26x = 7,799,840,188.11
  5. Step 5: Solve for x
    x = 7,799,840,188.11/137,647.26
  6. Step 6: Final answer
    x = 56,665.42

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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.