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Finding the Fourth Proportional to 161,921.22, 242,898.02 and 49,600.14

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Solution

The fourth proportional to 161,921.22, 242,898.02 and 49,600.14 is: 74,405.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,921.22 : 242,898.02 = 49,600.14 : x
  2. Step 2: Convert to fraction form
    161,921.22/242,898.02 = 49,600.14/x
  3. Step 3: Cross multiply
    161,921.22x = 242,898.02 × 49,600.14
  4. Step 4: Simplify right side
    161,921.22x = 12,047,775,797.72
  5. Step 5: Solve for x
    x = 12,047,775,797.72/161,921.22
  6. Step 6: Final answer
    x = 74,405.17

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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.