Home / 197,799.31-272,961.92-107,157.04

Finding the Fourth Proportional to 197,799.31, 272,961.92 and 107,157.04

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Solution

The fourth proportional to 197,799.31, 272,961.92 and 107,157.04 is: 147,876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,799.31 : 272,961.92 = 107,157.04 : x
  2. Step 2: Convert to fraction form
    197,799.31/272,961.92 = 107,157.04/x
  3. Step 3: Cross multiply
    197,799.31x = 272,961.92 × 107,157.04
  4. Step 4: Simplify right side
    197,799.31x = 29,249,790,965.40
  5. Step 5: Solve for x
    x = 29,249,790,965.40/197,799.31
  6. Step 6: Final answer
    x = 147,876.10

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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.