Home / 188,115.12-259,606.34-103,235.24

Finding the Fourth Proportional to 188,115.12, 259,606.34 and 103,235.24

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Solution

The fourth proportional to 188,115.12, 259,606.34 and 103,235.24 is: 142,468.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,115.12 : 259,606.34 = 103,235.24 : x
  2. Step 2: Convert to fraction form
    188,115.12/259,606.34 = 103,235.24/x
  3. Step 3: Cross multiply
    188,115.12x = 259,606.34 × 103,235.24
  4. Step 4: Simplify right side
    188,115.12x = 26,800,522,815.42
  5. Step 5: Solve for x
    x = 26,800,522,815.42/188,115.12
  6. Step 6: Final answer
    x = 142,468.73

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1.5x scale

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.