Home / 180,138.24-270,166.23-67,830.30

Finding the Fourth Proportional to 180,138.24, 270,166.23 and 67,830.30

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Solution

The fourth proportional to 180,138.24, 270,166.23 and 67,830.30 is: 101,729.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,138.24 : 270,166.23 = 67,830.30 : x
  2. Step 2: Convert to fraction form
    180,138.24/270,166.23 = 67,830.30/x
  3. Step 3: Cross multiply
    180,138.24x = 270,166.23 × 67,830.30
  4. Step 4: Simplify right side
    180,138.24x = 18,325,456,430.77
  5. Step 5: Solve for x
    x = 18,325,456,430.77/180,138.24
  6. Step 6: Final answer
    x = 101,729.96

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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.