Home / 197,756.98-272,903.96-107,112.72

Finding the Fourth Proportional to 197,756.98, 272,903.96 and 107,112.72

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Solution

The fourth proportional to 197,756.98, 272,903.96 and 107,112.72 is: 147,815.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,756.98 : 272,903.96 = 107,112.72 : x
  2. Step 2: Convert to fraction form
    197,756.98/272,903.96 = 107,112.72/x
  3. Step 3: Cross multiply
    197,756.98x = 272,903.96 × 107,112.72
  4. Step 4: Simplify right side
    197,756.98x = 29,231,485,454.37
  5. Step 5: Solve for x
    x = 29,231,485,454.37/197,756.98
  6. Step 6: Final answer
    x = 147,815.19

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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.