Home / 206,297.24-309,050.57-139,622.36

Finding the Fourth Proportional to 206,297.24, 309,050.57 and 139,622.36

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Solution

The fourth proportional to 206,297.24, 309,050.57 and 139,622.36 is: 209,166.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,297.24 : 309,050.57 = 139,622.36 : x
  2. Step 2: Convert to fraction form
    206,297.24/309,050.57 = 139,622.36/x
  3. Step 3: Cross multiply
    206,297.24x = 309,050.57 × 139,622.36
  4. Step 4: Simplify right side
    206,297.24x = 43,150,368,746.55
  5. Step 5: Solve for x
    x = 43,150,368,746.55/206,297.24
  6. Step 6: Final answer
    x = 209,166.01

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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.