Home / 142,707.06-196,935.36-82,277.42

Finding the Fourth Proportional to 142,707.06, 196,935.36 and 82,277.42

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Solution

The fourth proportional to 142,707.06, 196,935.36 and 82,277.42 is: 113,542.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,707.06 : 196,935.36 = 82,277.42 : x
  2. Step 2: Convert to fraction form
    142,707.06/196,935.36 = 82,277.42/x
  3. Step 3: Cross multiply
    142,707.06x = 196,935.36 × 82,277.42
  4. Step 4: Simplify right side
    142,707.06x = 16,203,333,327.57
  5. Step 5: Solve for x
    x = 16,203,333,327.57/142,707.06
  6. Step 6: Final answer
    x = 113,542.62

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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.