Home / 122,305.21-183,455.39-69,601.75

Finding the Fourth Proportional to 122,305.21, 183,455.39 and 69,601.75

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Solution

The fourth proportional to 122,305.21, 183,455.39 and 69,601.75 is: 104,401.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,305.21 : 183,455.39 = 69,601.75 : x
  2. Step 2: Convert to fraction form
    122,305.21/183,455.39 = 69,601.75/x
  3. Step 3: Cross multiply
    122,305.21x = 183,455.39 × 69,601.75
  4. Step 4: Simplify right side
    122,305.21x = 12,768,815,842.92
  5. Step 5: Solve for x
    x = 12,768,815,842.92/122,305.21
  6. Step 6: Final answer
    x = 104,401.24

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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.