Home / 234,745.47-323,898.89-139,283.19

Finding the Fourth Proportional to 234,745.47, 323,898.89 and 139,283.19

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Solution

The fourth proportional to 234,745.47, 323,898.89 and 139,283.19 is: 192,181.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,745.47 : 323,898.89 = 139,283.19 : x
  2. Step 2: Convert to fraction form
    234,745.47/323,898.89 = 139,283.19/x
  3. Step 3: Cross multiply
    234,745.47x = 323,898.89 × 139,283.19
  4. Step 4: Simplify right side
    234,745.47x = 45,113,669,940.24
  5. Step 5: Solve for x
    x = 45,113,669,940.24/234,745.47
  6. Step 6: Final answer
    x = 192,181.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.