Home / 252,984.54-349,104.92-139,800

Finding the Fourth Proportional to 252,984.54, 349,104.92 and 139,800

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Solution

The fourth proportional to 252,984.54, 349,104.92 and 139,800 is: 192,916.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,984.54 : 349,104.92 = 139,800 : x
  2. Step 2: Convert to fraction form
    252,984.54/349,104.92 = 139,800/x
  3. Step 3: Cross multiply
    252,984.54x = 349,104.92 × 139,800
  4. Step 4: Simplify right side
    252,984.54x = 48,804,867,816
  5. Step 5: Solve for x
    x = 48,804,867,816/252,984.54
  6. Step 6: Final answer
    x = 192,916.40

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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.