Home / 242,375.85-363,621.46-122,137.36

Finding the Fourth Proportional to 242,375.85, 363,621.46 and 122,137.36

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Solution

The fourth proportional to 242,375.85, 363,621.46 and 122,137.36 is: 183,235.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,375.85 : 363,621.46 = 122,137.36 : x
  2. Step 2: Convert to fraction form
    242,375.85/363,621.46 = 122,137.36/x
  3. Step 3: Cross multiply
    242,375.85x = 363,621.46 × 122,137.36
  4. Step 4: Simplify right side
    242,375.85x = 44,411,763,949.35
  5. Step 5: Solve for x
    x = 44,411,763,949.35/242,375.85
  6. Step 6: Final answer
    x = 183,235.10

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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.