Home / 154,317.44-231,098.66-139,358.36

Finding the Fourth Proportional to 154,317.44, 231,098.66 and 139,358.36

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Solution

The fourth proportional to 154,317.44, 231,098.66 and 139,358.36 is: 208,696.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,317.44 : 231,098.66 = 139,358.36 : x
  2. Step 2: Convert to fraction form
    154,317.44/231,098.66 = 139,358.36/x
  3. Step 3: Cross multiply
    154,317.44x = 231,098.66 × 139,358.36
  4. Step 4: Simplify right side
    154,317.44x = 32,205,530,255.80
  5. Step 5: Solve for x
    x = 32,205,530,255.80/154,317.44
  6. Step 6: Final answer
    x = 208,696.63

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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.