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Finding the Fourth Proportional to 125,504.15, 188,264.40 and 41,241.77

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Solution

The fourth proportional to 125,504.15, 188,264.40 and 41,241.77 is: 61,865.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,504.15 : 188,264.40 = 41,241.77 : x
  2. Step 2: Convert to fraction form
    125,504.15/188,264.40 = 41,241.77/x
  3. Step 3: Cross multiply
    125,504.15x = 188,264.40 × 41,241.77
  4. Step 4: Simplify right side
    125,504.15x = 7,764,357,083.99
  5. Step 5: Solve for x
    x = 7,764,357,083.99/125,504.15
  6. Step 6: Final answer
    x = 61,865.34

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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.