Home / 197,453.54-272,399.32-115,740.36

Finding the Fourth Proportional to 197,453.54, 272,399.32 and 115,740.36

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Solution

The fourth proportional to 197,453.54, 272,399.32 and 115,740.36 is: 159,670.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,453.54 : 272,399.32 = 115,740.36 : x
  2. Step 2: Convert to fraction form
    197,453.54/272,399.32 = 115,740.36/x
  3. Step 3: Cross multiply
    197,453.54x = 272,399.32 × 115,740.36
  4. Step 4: Simplify right side
    197,453.54x = 31,527,595,360.56
  5. Step 5: Solve for x
    x = 31,527,595,360.56/197,453.54
  6. Step 6: Final answer
    x = 159,670.96

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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.