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Finding the Fourth Proportional to 169,573.76, 254,328.96 and 64,357.76

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Solution

The fourth proportional to 169,573.76, 254,328.96 and 64,357.76 is: 96,524.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,573.76 : 254,328.96 = 64,357.76 : x
  2. Step 2: Convert to fraction form
    169,573.76/254,328.96 = 64,357.76/x
  3. Step 3: Cross multiply
    169,573.76x = 254,328.96 × 64,357.76
  4. Step 4: Simplify right side
    169,573.76x = 16,368,042,168.73
  5. Step 5: Solve for x
    x = 16,368,042,168.73/169,573.76
  6. Step 6: Final answer
    x = 96,524.62

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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.