Home / 197,745.39-272,887.05-107,099.28

Finding the Fourth Proportional to 197,745.39, 272,887.05 and 107,099.28

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Solution

The fourth proportional to 197,745.39, 272,887.05 and 107,099.28 is: 147,796.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,745.39 : 272,887.05 = 107,099.28 : x
  2. Step 2: Convert to fraction form
    197,745.39/272,887.05 = 107,099.28/x
  3. Step 3: Cross multiply
    197,745.39x = 272,887.05 × 107,099.28
  4. Step 4: Simplify right side
    197,745.39x = 29,226,006,576.32
  5. Step 5: Solve for x
    x = 29,226,006,576.32/197,745.39
  6. Step 6: Final answer
    x = 147,796.15

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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.