Home / 161,471.36-242,219.45-49,161.21

Finding the Fourth Proportional to 161,471.36, 242,219.45 and 49,161.21

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Solution

The fourth proportional to 161,471.36, 242,219.45 and 49,161.21 is: 73,745.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,471.36 : 242,219.45 = 49,161.21 : x
  2. Step 2: Convert to fraction form
    161,471.36/242,219.45 = 49,161.21/x
  3. Step 3: Cross multiply
    161,471.36x = 242,219.45 × 49,161.21
  4. Step 4: Simplify right side
    161,471.36x = 11,907,801,001.73
  5. Step 5: Solve for x
    x = 11,907,801,001.73/161,471.36
  6. Step 6: Final answer
    x = 73,745.59

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1.5x scale

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.