Home / 120,383.20-180,603.60-50,223.52

Finding the Fourth Proportional to 120,383.20, 180,603.60 and 50,223.52

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Solution

The fourth proportional to 120,383.20, 180,603.60 and 50,223.52 is: 75,347.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,383.20 : 180,603.60 = 50,223.52 : x
  2. Step 2: Convert to fraction form
    120,383.20/180,603.60 = 50,223.52/x
  3. Step 3: Cross multiply
    120,383.20x = 180,603.60 × 50,223.52
  4. Step 4: Simplify right side
    120,383.20x = 9,070,548,516.67
  5. Step 5: Solve for x
    x = 9,070,548,516.67/120,383.20
  6. Step 6: Final answer
    x = 75,347.30

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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.