Home / 161,479.54-242,137.91-49,138.21

Finding the Fourth Proportional to 161,479.54, 242,137.91 and 49,138.21

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Solution

The fourth proportional to 161,479.54, 242,137.91 and 49,138.21 is: 73,682.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,479.54 : 242,137.91 = 49,138.21 : x
  2. Step 2: Convert to fraction form
    161,479.54/242,137.91 = 49,138.21/x
  3. Step 3: Cross multiply
    161,479.54x = 242,137.91 × 49,138.21
  4. Step 4: Simplify right side
    161,479.54x = 11,898,223,224.85
  5. Step 5: Solve for x
    x = 11,898,223,224.85/161,479.54
  6. Step 6: Final answer
    x = 73,682.54

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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.