Home / 120,286.55-180,429.93-36,055.67

Finding the Fourth Proportional to 120,286.55, 180,429.93 and 36,055.67

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Solution

The fourth proportional to 120,286.55, 180,429.93 and 36,055.67 is: 54,083.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,286.55 : 180,429.93 = 36,055.67 : x
  2. Step 2: Convert to fraction form
    120,286.55/180,429.93 = 36,055.67/x
  3. Step 3: Cross multiply
    120,286.55x = 180,429.93 × 36,055.67
  4. Step 4: Simplify right side
    120,286.55x = 6,505,521,112.05
  5. Step 5: Solve for x
    x = 6,505,521,112.05/120,286.55
  6. Step 6: Final answer
    x = 54,083.53

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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.