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Finding the Fourth Proportional to 167,907.99, 251,862 and 55,558.05

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Solution

The fourth proportional to 167,907.99, 251,862 and 55,558.05 is: 83,337.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,907.99 : 251,862 = 55,558.05 : x
  2. Step 2: Convert to fraction form
    167,907.99/251,862 = 55,558.05/x
  3. Step 3: Cross multiply
    167,907.99x = 251,862 × 55,558.05
  4. Step 4: Simplify right side
    167,907.99x = 13,992,961,589.10
  5. Step 5: Solve for x
    x = 13,992,961,589.10/167,907.99
  6. Step 6: Final answer
    x = 83,337.08

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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.