Home / 101,928.29-140,731.41-63,705.02

Finding the Fourth Proportional to 101,928.29, 140,731.41 and 63,705.02

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Solution

The fourth proportional to 101,928.29, 140,731.41 and 63,705.02 is: 87,956.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,928.29 : 140,731.41 = 63,705.02 : x
  2. Step 2: Convert to fraction form
    101,928.29/140,731.41 = 63,705.02/x
  3. Step 3: Cross multiply
    101,928.29x = 140,731.41 × 63,705.02
  4. Step 4: Simplify right side
    101,928.29x = 8,965,297,288.68
  5. Step 5: Solve for x
    x = 8,965,297,288.68/101,928.29
  6. Step 6: Final answer
    x = 87,956.91

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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.