Home / 120,190.12-180,289.68-35,951.38

Finding the Fourth Proportional to 120,190.12, 180,289.68 and 35,951.38

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Solution

The fourth proportional to 120,190.12, 180,289.68 and 35,951.38 is: 53,928.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,190.12 : 180,289.68 = 35,951.38 : x
  2. Step 2: Convert to fraction form
    120,190.12/180,289.68 = 35,951.38/x
  3. Step 3: Cross multiply
    120,190.12x = 180,289.68 × 35,951.38
  4. Step 4: Simplify right side
    120,190.12x = 6,481,662,795.76
  5. Step 5: Solve for x
    x = 6,481,662,795.76/120,190.12
  6. Step 6: Final answer
    x = 53,928.42

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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.