Home / 125,520.91-188,241.37-41,261.57

Finding the Fourth Proportional to 125,520.91, 188,241.37 and 41,261.57

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Solution

The fourth proportional to 125,520.91, 188,241.37 and 41,261.57 is: 61,879.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,520.91 : 188,241.37 = 41,261.57 : x
  2. Step 2: Convert to fraction form
    125,520.91/188,241.37 = 41,261.57/x
  3. Step 3: Cross multiply
    125,520.91x = 188,241.37 × 41,261.57
  4. Step 4: Simplify right side
    125,520.91x = 7,767,134,126.70
  5. Step 5: Solve for x
    x = 7,767,134,126.70/125,520.91
  6. Step 6: Final answer
    x = 61,879.21

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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.