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Finding the Fourth Proportional to 118,064.48, 177,122.64 and 34,964.96

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Solution

The fourth proportional to 118,064.48, 177,122.64 and 34,964.96 is: 52,455.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,064.48 : 177,122.64 = 34,964.96 : x
  2. Step 2: Convert to fraction form
    118,064.48/177,122.64 = 34,964.96/x
  3. Step 3: Cross multiply
    118,064.48x = 177,122.64 × 34,964.96
  4. Step 4: Simplify right side
    118,064.48x = 6,193,086,022.69
  5. Step 5: Solve for x
    x = 6,193,086,022.69/118,064.48
  6. Step 6: Final answer
    x = 52,455.12

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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.