Home / 197,815.77-272,984.94-107,171.55

Finding the Fourth Proportional to 197,815.77, 272,984.94 and 107,171.55

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Solution

The fourth proportional to 197,815.77, 272,984.94 and 107,171.55 is: 147,896.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,815.77 : 272,984.94 = 107,171.55 : x
  2. Step 2: Convert to fraction form
    197,815.77/272,984.94 = 107,171.55/x
  3. Step 3: Cross multiply
    197,815.77x = 272,984.94 × 107,171.55
  4. Step 4: Simplify right side
    197,815.77x = 29,256,219,146.46
  5. Step 5: Solve for x
    x = 29,256,219,146.46/197,815.77
  6. Step 6: Final answer
    x = 147,896.29

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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.