Home / 161,850.54-242,775.81-68,357.10

Finding the Fourth Proportional to 161,850.54, 242,775.81 and 68,357.10

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Solution

The fourth proportional to 161,850.54, 242,775.81 and 68,357.10 is: 102,535.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,850.54 : 242,775.81 = 68,357.10 : x
  2. Step 2: Convert to fraction form
    161,850.54/242,775.81 = 68,357.10/x
  3. Step 3: Cross multiply
    161,850.54x = 242,775.81 × 68,357.10
  4. Step 4: Simplify right side
    161,850.54x = 16,595,450,321.75
  5. Step 5: Solve for x
    x = 16,595,450,321.75/161,850.54
  6. Step 6: Final answer
    x = 102,535.65

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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.