Home / 110,977.80-166,291.38-90,099.24

Finding the Fourth Proportional to 110,977.80, 166,291.38 and 90,099.24

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Solution

The fourth proportional to 110,977.80, 166,291.38 and 90,099.24 is: 135,006.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,977.80 : 166,291.38 = 90,099.24 : x
  2. Step 2: Convert to fraction form
    110,977.80/166,291.38 = 90,099.24/x
  3. Step 3: Cross multiply
    110,977.80x = 166,291.38 × 90,099.24
  4. Step 4: Simplify right side
    110,977.80x = 14,982,726,956.55
  5. Step 5: Solve for x
    x = 14,982,726,956.55/110,977.80
  6. Step 6: Final answer
    x = 135,006.52

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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.