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Finding the Fourth Proportional to 177,467.58, 266,042.70 and 65,121.72

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Solution

The fourth proportional to 177,467.58, 266,042.70 and 65,121.72 is: 97,624.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,467.58 : 266,042.70 = 65,121.72 : x
  2. Step 2: Convert to fraction form
    177,467.58/266,042.70 = 65,121.72/x
  3. Step 3: Cross multiply
    177,467.58x = 266,042.70 × 65,121.72
  4. Step 4: Simplify right side
    177,467.58x = 17,325,158,217.44
  5. Step 5: Solve for x
    x = 17,325,158,217.44/177,467.58
  6. Step 6: Final answer
    x = 97,624.36

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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.