Home / 142,467.91-213,513.11-75,764.41

Finding the Fourth Proportional to 142,467.91, 213,513.11 and 75,764.41

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Solution

The fourth proportional to 142,467.91, 213,513.11 and 75,764.41 is: 113,546.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,467.91 : 213,513.11 = 75,764.41 : x
  2. Step 2: Convert to fraction form
    142,467.91/213,513.11 = 75,764.41/x
  3. Step 3: Cross multiply
    142,467.91x = 213,513.11 × 75,764.41
  4. Step 4: Simplify right side
    142,467.91x = 16,176,694,427.59
  5. Step 5: Solve for x
    x = 16,176,694,427.59/142,467.91
  6. Step 6: Final answer
    x = 113,546.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.