Home / 189,771.27-261,884.43-104,888.34

Finding the Fourth Proportional to 189,771.27, 261,884.43 and 104,888.34

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Solution

The fourth proportional to 189,771.27, 261,884.43 and 104,888.34 is: 144,745.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,771.27 : 261,884.43 = 104,888.34 : x
  2. Step 2: Convert to fraction form
    189,771.27/261,884.43 = 104,888.34/x
  3. Step 3: Cross multiply
    189,771.27x = 261,884.43 × 104,888.34
  4. Step 4: Simplify right side
    189,771.27x = 27,468,623,134.55
  5. Step 5: Solve for x
    x = 27,468,623,134.55/189,771.27
  6. Step 6: Final answer
    x = 144,745.95

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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.