Home / 120,162.84-180,352.60-64,049.69

Finding the Fourth Proportional to 120,162.84, 180,352.60 and 64,049.69

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Solution

The fourth proportional to 120,162.84, 180,352.60 and 64,049.69 is: 96,132.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,162.84 : 180,352.60 = 64,049.69 : x
  2. Step 2: Convert to fraction form
    120,162.84/180,352.60 = 64,049.69/x
  3. Step 3: Cross multiply
    120,162.84x = 180,352.60 × 64,049.69
  4. Step 4: Simplify right side
    120,162.84x = 11,551,526,898.68
  5. Step 5: Solve for x
    x = 11,551,526,898.68/120,162.84
  6. Step 6: Final answer
    x = 96,132.27

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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.