Home / 92,308.43-138,462.64-22,187.75

Finding the Fourth Proportional to 92,308.43, 138,462.64 and 22,187.75

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Solution

The fourth proportional to 92,308.43, 138,462.64 and 22,187.75 is: 33,281.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,308.43 : 138,462.64 = 22,187.75 : x
  2. Step 2: Convert to fraction form
    92,308.43/138,462.64 = 22,187.75/x
  3. Step 3: Cross multiply
    92,308.43x = 138,462.64 × 22,187.75
  4. Step 4: Simplify right side
    92,308.43x = 3,072,173,692.88
  5. Step 5: Solve for x
    x = 3,072,173,692.88/92,308.43
  6. Step 6: Final answer
    x = 33,281.61

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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.