Home / 120,606.08-180,910.35-45,706.05

Finding the Fourth Proportional to 120,606.08, 180,910.35 and 45,706.05

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Solution

The fourth proportional to 120,606.08, 180,910.35 and 45,706.05 is: 68,559.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,606.08 : 180,910.35 = 45,706.05 : x
  2. Step 2: Convert to fraction form
    120,606.08/180,910.35 = 45,706.05/x
  3. Step 3: Cross multiply
    120,606.08x = 180,910.35 × 45,706.05
  4. Step 4: Simplify right side
    120,606.08x = 8,268,697,502.62
  5. Step 5: Solve for x
    x = 8,268,697,502.62/120,606.08
  6. Step 6: Final answer
    x = 68,559.54

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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.