Home / 161,704.20-242,556.30-139,153.80

Finding the Fourth Proportional to 161,704.20, 242,556.30 and 139,153.80

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Solution

The fourth proportional to 161,704.20, 242,556.30 and 139,153.80 is: 208,730.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,704.20 : 242,556.30 = 139,153.80 : x
  2. Step 2: Convert to fraction form
    161,704.20/242,556.30 = 139,153.80/x
  3. Step 3: Cross multiply
    161,704.20x = 242,556.30 × 139,153.80
  4. Step 4: Simplify right side
    161,704.20x = 33,752,630,858.94
  5. Step 5: Solve for x
    x = 33,752,630,858.94/161,704.20
  6. Step 6: Final answer
    x = 208,730.70

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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.