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Finding the Fourth Proportional to 167,872.14, 251,808.22 and 55,522.20

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Solution

The fourth proportional to 167,872.14, 251,808.22 and 55,522.20 is: 83,283.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,872.14 : 251,808.22 = 55,522.20 : x
  2. Step 2: Convert to fraction form
    167,872.14/251,808.22 = 55,522.20/x
  3. Step 3: Cross multiply
    167,872.14x = 251,808.22 × 55,522.20
  4. Step 4: Simplify right side
    167,872.14x = 13,980,946,352.48
  5. Step 5: Solve for x
    x = 13,980,946,352.48/167,872.14
  6. Step 6: Final answer
    x = 83,283.30

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1.5x scale

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.