Home / 378,018.03-566,937.48-108,137.85

Finding the Fourth Proportional to 378,018.03, 566,937.48 and 108,137.85

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Solution

The fourth proportional to 378,018.03, 566,937.48 and 108,137.85 is: 162,181.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,018.03 : 566,937.48 = 108,137.85 : x
  2. Step 2: Convert to fraction form
    378,018.03/566,937.48 = 108,137.85/x
  3. Step 3: Cross multiply
    378,018.03x = 566,937.48 × 108,137.85
  4. Step 4: Simplify right side
    378,018.03x = 61,307,401,031.87
  5. Step 5: Solve for x
    x = 61,307,401,031.87/378,018.03
  6. Step 6: Final answer
    x = 162,181.16

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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.