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Finding the Fourth Proportional to 161,967.98, 242,998.62 and 49,664.73

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Solution

The fourth proportional to 161,967.98, 242,998.62 and 49,664.73 is: 74,511.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,967.98 : 242,998.62 = 49,664.73 : x
  2. Step 2: Convert to fraction form
    161,967.98/242,998.62 = 49,664.73/x
  3. Step 3: Cross multiply
    161,967.98x = 242,998.62 × 49,664.73
  4. Step 4: Simplify right side
    161,967.98x = 12,068,461,950.16
  5. Step 5: Solve for x
    x = 12,068,461,950.16/161,967.98
  6. Step 6: Final answer
    x = 74,511.41

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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.