Home / 137,736.41-206,604.27-77,737.68

Finding the Fourth Proportional to 137,736.41, 206,604.27 and 77,737.68

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Solution

The fourth proportional to 137,736.41, 206,604.27 and 77,737.68 is: 116,606.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,736.41 : 206,604.27 = 77,737.68 : x
  2. Step 2: Convert to fraction form
    137,736.41/206,604.27 = 77,737.68/x
  3. Step 3: Cross multiply
    137,736.41x = 206,604.27 × 77,737.68
  4. Step 4: Simplify right side
    137,736.41x = 16,060,936,627.89
  5. Step 5: Solve for x
    x = 16,060,936,627.89/137,736.41
  6. Step 6: Final answer
    x = 116,606.33

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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.