Home / 92,311.58-138,467.32-22,190.87

Finding the Fourth Proportional to 92,311.58, 138,467.32 and 22,190.87

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Solution

The fourth proportional to 92,311.58, 138,467.32 and 22,190.87 is: 33,286.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,311.58 : 138,467.32 = 22,190.87 : x
  2. Step 2: Convert to fraction form
    92,311.58/138,467.32 = 22,190.87/x
  3. Step 3: Cross multiply
    92,311.58x = 138,467.32 × 22,190.87
  4. Step 4: Simplify right side
    92,311.58x = 3,072,710,297.37
  5. Step 5: Solve for x
    x = 3,072,710,297.37/92,311.58
  6. Step 6: Final answer
    x = 33,286.29

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1.5x scale

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.