Home / 142,686.92-196,891.07-82,277.41

Finding the Fourth Proportional to 142,686.92, 196,891.07 and 82,277.41

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Solution

The fourth proportional to 142,686.92, 196,891.07 and 82,277.41 is: 113,533.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,686.92 : 196,891.07 = 82,277.41 : x
  2. Step 2: Convert to fraction form
    142,686.92/196,891.07 = 82,277.41/x
  3. Step 3: Cross multiply
    142,686.92x = 196,891.07 × 82,277.41
  4. Step 4: Simplify right side
    142,686.92x = 16,199,687,291.73
  5. Step 5: Solve for x
    x = 16,199,687,291.73/142,686.92
  6. Step 6: Final answer
    x = 113,533.09

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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.