Home / 136,441.44-188,276.40-100,651.32

Finding the Fourth Proportional to 136,441.44, 188,276.40 and 100,651.32

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Solution

The fourth proportional to 136,441.44, 188,276.40 and 100,651.32 is: 138,889.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,441.44 : 188,276.40 = 100,651.32 : x
  2. Step 2: Convert to fraction form
    136,441.44/188,276.40 = 100,651.32/x
  3. Step 3: Cross multiply
    136,441.44x = 188,276.40 × 100,651.32
  4. Step 4: Simplify right side
    136,441.44x = 18,950,268,184.85
  5. Step 5: Solve for x
    x = 18,950,268,184.85/136,441.44
  6. Step 6: Final answer
    x = 138,889.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.