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Finding the Fourth Proportional to 167,698.88, 251,573.02 and 55,390.76

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Solution

The fourth proportional to 167,698.88, 251,573.02 and 55,390.76 is: 83,094.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,698.88 : 251,573.02 = 55,390.76 : x
  2. Step 2: Convert to fraction form
    167,698.88/251,573.02 = 55,390.76/x
  3. Step 3: Cross multiply
    167,698.88x = 251,573.02 × 55,390.76
  4. Step 4: Simplify right side
    167,698.88x = 13,934,820,773.30
  5. Step 5: Solve for x
    x = 13,934,820,773.30/167,698.88
  6. Step 6: Final answer
    x = 83,094.30

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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.