Home / 197,640.64-272,741.88-106,994.44

Finding the Fourth Proportional to 197,640.64, 272,741.88 and 106,994.44

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Solution

The fourth proportional to 197,640.64, 272,741.88 and 106,994.44 is: 147,651.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,640.64 : 272,741.88 = 106,994.44 : x
  2. Step 2: Convert to fraction form
    197,640.64/272,741.88 = 106,994.44/x
  3. Step 3: Cross multiply
    197,640.64x = 272,741.88 × 106,994.44
  4. Step 4: Simplify right side
    197,640.64x = 29,181,864,715.15
  5. Step 5: Solve for x
    x = 29,181,864,715.15/197,640.64
  6. Step 6: Final answer
    x = 147,651.13

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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.