Home / 120,620.85-180,931.74-50,450.94

Finding the Fourth Proportional to 120,620.85, 180,931.74 and 50,450.94

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Solution

The fourth proportional to 120,620.85, 180,931.74 and 50,450.94 is: 75,676.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,620.85 : 180,931.74 = 50,450.94 : x
  2. Step 2: Convert to fraction form
    120,620.85/180,931.74 = 50,450.94/x
  3. Step 3: Cross multiply
    120,620.85x = 180,931.74 × 50,450.94
  4. Step 4: Simplify right side
    120,620.85x = 9,128,176,358.84
  5. Step 5: Solve for x
    x = 9,128,176,358.84/120,620.85
  6. Step 6: Final answer
    x = 75,676.60

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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.