Home / 197,420.32-272,440.40-107,996.32

Finding the Fourth Proportional to 197,420.32, 272,440.40 and 107,996.32

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Solution

The fourth proportional to 197,420.32, 272,440.40 and 107,996.32 is: 149,035.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,420.32 : 272,440.40 = 107,996.32 : x
  2. Step 2: Convert to fraction form
    197,420.32/272,440.40 = 107,996.32/x
  3. Step 3: Cross multiply
    197,420.32x = 272,440.40 × 107,996.32
  4. Step 4: Simplify right side
    197,420.32x = 29,422,560,619.33
  5. Step 5: Solve for x
    x = 29,422,560,619.33/197,420.32
  6. Step 6: Final answer
    x = 149,035.12

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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.