Home / 150,679.60-207,886.22-86,102.44

Finding the Fourth Proportional to 150,679.60, 207,886.22 and 86,102.44

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Solution

The fourth proportional to 150,679.60, 207,886.22 and 86,102.44 is: 118,791.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,679.60 : 207,886.22 = 86,102.44 : x
  2. Step 2: Convert to fraction form
    150,679.60/207,886.22 = 86,102.44/x
  3. Step 3: Cross multiply
    150,679.60x = 207,886.22 × 86,102.44
  4. Step 4: Simplify right side
    150,679.60x = 17,899,510,157.03
  5. Step 5: Solve for x
    x = 17,899,510,157.03/150,679.60
  6. Step 6: Final answer
    x = 118,791.86

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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.