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Finding the Fourth Proportional to 173,712.26, 260,573.65 and 59,858.66

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Solution

The fourth proportional to 173,712.26, 260,573.65 and 59,858.66 is: 89,789.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,712.26 : 260,573.65 = 59,858.66 : x
  2. Step 2: Convert to fraction form
    173,712.26/260,573.65 = 59,858.66/x
  3. Step 3: Cross multiply
    173,712.26x = 260,573.65 × 59,858.66
  4. Step 4: Simplify right side
    173,712.26x = 15,597,588,067.79
  5. Step 5: Solve for x
    x = 15,597,588,067.79/173,712.26
  6. Step 6: Final answer
    x = 89,789.80

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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.