Home / 197,689.23-272,811.65-107,046.32

Finding the Fourth Proportional to 197,689.23, 272,811.65 and 107,046.32

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Solution

The fourth proportional to 197,689.23, 272,811.65 and 107,046.32 is: 147,724.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,689.23 : 272,811.65 = 107,046.32 : x
  2. Step 2: Convert to fraction form
    197,689.23/272,811.65 = 107,046.32/x
  3. Step 3: Cross multiply
    197,689.23x = 272,811.65 × 107,046.32
  4. Step 4: Simplify right side
    197,689.23x = 29,203,481,286.34
  5. Step 5: Solve for x
    x = 29,203,481,286.34/197,689.23
  6. Step 6: Final answer
    x = 147,724.19

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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.