Home / 188,486.46-260,115.03-103,611.42

Finding the Fourth Proportional to 188,486.46, 260,115.03 and 103,611.42

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Solution

The fourth proportional to 188,486.46, 260,115.03 and 103,611.42 is: 142,985.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,486.46 : 260,115.03 = 103,611.42 : x
  2. Step 2: Convert to fraction form
    188,486.46/260,115.03 = 103,611.42/x
  3. Step 3: Cross multiply
    188,486.46x = 260,115.03 × 103,611.42
  4. Step 4: Simplify right side
    188,486.46x = 26,950,887,621.64
  5. Step 5: Solve for x
    x = 26,950,887,621.64/188,486.46
  6. Step 6: Final answer
    x = 142,985.80

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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.