Home / 142,734.24-196,964.73-79,067.43

Finding the Fourth Proportional to 142,734.24, 196,964.73 and 79,067.43

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Solution

The fourth proportional to 142,734.24, 196,964.73 and 79,067.43 is: 109,108.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,734.24 : 196,964.73 = 79,067.43 : x
  2. Step 2: Convert to fraction form
    142,734.24/196,964.73 = 79,067.43/x
  3. Step 3: Cross multiply
    142,734.24x = 196,964.73 × 79,067.43
  4. Step 4: Simplify right side
    142,734.24x = 15,573,495,001.74
  5. Step 5: Solve for x
    x = 15,573,495,001.74/142,734.24
  6. Step 6: Final answer
    x = 109,108.33

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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.