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Finding the Fourth Proportional to 143,992.88, 216,092.22 and 64,052.36

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Solution

The fourth proportional to 143,992.88, 216,092.22 and 64,052.36 is: 96,124.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,992.88 : 216,092.22 = 64,052.36 : x
  2. Step 2: Convert to fraction form
    143,992.88/216,092.22 = 64,052.36/x
  3. Step 3: Cross multiply
    143,992.88x = 216,092.22 × 64,052.36
  4. Step 4: Simplify right side
    143,992.88x = 13,841,216,668.64
  5. Step 5: Solve for x
    x = 13,841,216,668.64/143,992.88
  6. Step 6: Final answer
    x = 96,124.31

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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.