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Finding the Fourth Proportional to 125,649.87, 188,481.87 and 40,268.16

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Solution

The fourth proportional to 125,649.87, 188,481.87 and 40,268.16 is: 60,404.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,649.87 : 188,481.87 = 40,268.16 : x
  2. Step 2: Convert to fraction form
    125,649.87/188,481.87 = 40,268.16/x
  3. Step 3: Cross multiply
    125,649.87x = 188,481.87 × 40,268.16
  4. Step 4: Simplify right side
    125,649.87x = 7,589,818,098.26
  5. Step 5: Solve for x
    x = 7,589,818,098.26/125,649.87
  6. Step 6: Final answer
    x = 60,404.50

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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.