Home / 180,212.27-270,429.58-91,529.42

Finding the Fourth Proportional to 180,212.27, 270,429.58 and 91,529.42

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Solution

The fourth proportional to 180,212.27, 270,429.58 and 91,529.42 is: 137,350.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,212.27 : 270,429.58 = 91,529.42 : x
  2. Step 2: Convert to fraction form
    180,212.27/270,429.58 = 91,529.42/x
  3. Step 3: Cross multiply
    180,212.27x = 270,429.58 × 91,529.42
  4. Step 4: Simplify right side
    180,212.27x = 24,752,261,474.52
  5. Step 5: Solve for x
    x = 24,752,261,474.52/180,212.27
  6. Step 6: Final answer
    x = 137,350.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.