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Finding the Fourth Proportional to 144,019.44, 216,064 and 54,062.96

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Solution

The fourth proportional to 144,019.44, 216,064 and 54,062.96 is: 81,107.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,019.44 : 216,064 = 54,062.96 : x
  2. Step 2: Convert to fraction form
    144,019.44/216,064 = 54,062.96/x
  3. Step 3: Cross multiply
    144,019.44x = 216,064 × 54,062.96
  4. Step 4: Simplify right side
    144,019.44x = 11,681,059,389.44
  5. Step 5: Solve for x
    x = 11,681,059,389.44/144,019.44
  6. Step 6: Final answer
    x = 81,107.52

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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.