Home / 197,737.51-272,876.20-107,091.39

Finding the Fourth Proportional to 197,737.51, 272,876.20 and 107,091.39

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Solution

The fourth proportional to 197,737.51, 272,876.20 and 107,091.39 is: 147,785.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,737.51 : 272,876.20 = 107,091.39 : x
  2. Step 2: Convert to fraction form
    197,737.51/272,876.20 = 107,091.39/x
  3. Step 3: Cross multiply
    197,737.51x = 272,876.20 × 107,091.39
  4. Step 4: Simplify right side
    197,737.51x = 29,222,691,555.92
  5. Step 5: Solve for x
    x = 29,222,691,555.92/197,737.51
  6. Step 6: Final answer
    x = 147,785.27

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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.