Home / 122,081.82-183,181.06-77,758.62

Finding the Fourth Proportional to 122,081.82, 183,181.06 and 77,758.62

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Solution

The fourth proportional to 122,081.82, 183,181.06 and 77,758.62 is: 116,675.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,081.82 : 183,181.06 = 77,758.62 : x
  2. Step 2: Convert to fraction form
    122,081.82/183,181.06 = 77,758.62/x
  3. Step 3: Cross multiply
    122,081.82x = 183,181.06 × 77,758.62
  4. Step 4: Simplify right side
    122,081.82x = 14,243,906,435.74
  5. Step 5: Solve for x
    x = 14,243,906,435.74/122,081.82
  6. Step 6: Final answer
    x = 116,675.08

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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.