Home / 120,280.72-180,443.24-50,166.04

Finding the Fourth Proportional to 120,280.72, 180,443.24 and 50,166.04

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Solution

The fourth proportional to 120,280.72, 180,443.24 and 50,166.04 is: 75,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,280.72 : 180,443.24 = 50,166.04 : x
  2. Step 2: Convert to fraction form
    120,280.72/180,443.24 = 50,166.04/x
  3. Step 3: Cross multiply
    120,280.72x = 180,443.24 × 50,166.04
  4. Step 4: Simplify right side
    120,280.72x = 9,052,122,795.57
  5. Step 5: Solve for x
    x = 9,052,122,795.57/120,280.72
  6. Step 6: Final answer
    x = 75,258.30

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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.