Home / 122,467.72-183,769.62-66,307

Finding the Fourth Proportional to 122,467.72, 183,769.62 and 66,307

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Solution

The fourth proportional to 122,467.72, 183,769.62 and 66,307 is: 99,497.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,467.72 : 183,769.62 = 66,307 : x
  2. Step 2: Convert to fraction form
    122,467.72/183,769.62 = 66,307/x
  3. Step 3: Cross multiply
    122,467.72x = 183,769.62 × 66,307
  4. Step 4: Simplify right side
    122,467.72x = 12,185,212,193.34
  5. Step 5: Solve for x
    x = 12,185,212,193.34/122,467.72
  6. Step 6: Final answer
    x = 99,497.34

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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.