Home / 197,737.82-272,878.10-107,093.78

Finding the Fourth Proportional to 197,737.82, 272,878.10 and 107,093.78

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Solution

The fourth proportional to 197,737.82, 272,878.10 and 107,093.78 is: 147,789.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,737.82 : 272,878.10 = 107,093.78 : x
  2. Step 2: Convert to fraction form
    197,737.82/272,878.10 = 107,093.78/x
  3. Step 3: Cross multiply
    197,737.82x = 272,878.10 × 107,093.78
  4. Step 4: Simplify right side
    197,737.82x = 29,223,548,870.60
  5. Step 5: Solve for x
    x = 29,223,548,870.60/197,737.82
  6. Step 6: Final answer
    x = 147,789.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.