Home / 120,624.20-166,458.36-66,910.40

Finding the Fourth Proportional to 120,624.20, 166,458.36 and 66,910.40

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Solution

The fourth proportional to 120,624.20, 166,458.36 and 66,910.40 is: 92,334.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,624.20 : 166,458.36 = 66,910.40 : x
  2. Step 2: Convert to fraction form
    120,624.20/166,458.36 = 66,910.40/x
  3. Step 3: Cross multiply
    120,624.20x = 166,458.36 × 66,910.40
  4. Step 4: Simplify right side
    120,624.20x = 11,137,795,450.94
  5. Step 5: Solve for x
    x = 11,137,795,450.94/120,624.20
  6. Step 6: Final answer
    x = 92,334.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.