Home / 122,099.24-168,495.72-68,384.36

Finding the Fourth Proportional to 122,099.24, 168,495.72 and 68,384.36

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Solution

The fourth proportional to 122,099.24, 168,495.72 and 68,384.36 is: 94,369.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,099.24 : 168,495.72 = 68,384.36 : x
  2. Step 2: Convert to fraction form
    122,099.24/168,495.72 = 68,384.36/x
  3. Step 3: Cross multiply
    122,099.24x = 168,495.72 × 68,384.36
  4. Step 4: Simplify right side
    122,099.24x = 11,522,471,974.94
  5. Step 5: Solve for x
    x = 11,522,471,974.94/122,099.24
  6. Step 6: Final answer
    x = 94,369.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.