Home / 180,329.21-270,518.42-75,123.57

Finding the Fourth Proportional to 180,329.21, 270,518.42 and 75,123.57

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Solution

The fourth proportional to 180,329.21, 270,518.42 and 75,123.57 is: 112,695.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,329.21 : 270,518.42 = 75,123.57 : x
  2. Step 2: Convert to fraction form
    180,329.21/270,518.42 = 75,123.57/x
  3. Step 3: Cross multiply
    180,329.21x = 270,518.42 × 75,123.57
  4. Step 4: Simplify right side
    180,329.21x = 20,322,309,085.54
  5. Step 5: Solve for x
    x = 20,322,309,085.54/180,329.21
  6. Step 6: Final answer
    x = 112,695.61

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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.