Home / 197,804.80-272,970.31-107,163.07

Finding the Fourth Proportional to 197,804.80, 272,970.31 and 107,163.07

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Solution

The fourth proportional to 197,804.80, 272,970.31 and 107,163.07 is: 147,884.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,804.80 : 272,970.31 = 107,163.07 : x
  2. Step 2: Convert to fraction form
    197,804.80/272,970.31 = 107,163.07/x
  3. Step 3: Cross multiply
    197,804.80x = 272,970.31 × 107,163.07
  4. Step 4: Simplify right side
    197,804.80x = 29,252,336,438.45
  5. Step 5: Solve for x
    x = 29,252,336,438.45/197,804.80
  6. Step 6: Final answer
    x = 147,884.87

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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.