Home / 189,020.60-260,860.20-104,137.64

Finding the Fourth Proportional to 189,020.60, 260,860.20 and 104,137.64

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Solution

The fourth proportional to 189,020.60, 260,860.20 and 104,137.64 is: 143,716.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,020.60 : 260,860.20 = 104,137.64 : x
  2. Step 2: Convert to fraction form
    189,020.60/260,860.20 = 104,137.64/x
  3. Step 3: Cross multiply
    189,020.60x = 260,860.20 × 104,137.64
  4. Step 4: Simplify right side
    189,020.60x = 27,165,365,597.93
  5. Step 5: Solve for x
    x = 27,165,365,597.93/189,020.60
  6. Step 6: Final answer
    x = 143,716.43

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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.