Home / 189,249.32-261,160.76-103,208.96

Finding the Fourth Proportional to 189,249.32, 261,160.76 and 103,208.96

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Solution

The fourth proportional to 189,249.32, 261,160.76 and 103,208.96 is: 142,426.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,249.32 : 261,160.76 = 103,208.96 : x
  2. Step 2: Convert to fraction form
    189,249.32/261,160.76 = 103,208.96/x
  3. Step 3: Cross multiply
    189,249.32x = 261,160.76 × 103,208.96
  4. Step 4: Simplify right side
    189,249.32x = 26,954,128,610.56
  5. Step 5: Solve for x
    x = 26,954,128,610.56/189,249.32
  6. Step 6: Final answer
    x = 142,426.56

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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.