Home / 189,280.82-261,207.02-108,713.56

Finding the Fourth Proportional to 189,280.82, 261,207.02 and 108,713.56

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Solution

The fourth proportional to 189,280.82, 261,207.02 and 108,713.56 is: 150,024.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,280.82 : 261,207.02 = 108,713.56 : x
  2. Step 2: Convert to fraction form
    189,280.82/261,207.02 = 108,713.56/x
  3. Step 3: Cross multiply
    189,280.82x = 261,207.02 × 108,713.56
  4. Step 4: Simplify right side
    189,280.82x = 28,396,744,659.96
  5. Step 5: Solve for x
    x = 28,396,744,659.96/189,280.82
  6. Step 6: Final answer
    x = 150,024.42

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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.