Home / 252,436.54-348,338.19-139,252

Finding the Fourth Proportional to 252,436.54, 348,338.19 and 139,252

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Solution

The fourth proportional to 252,436.54, 348,338.19 and 139,252 is: 192,154.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,436.54 : 348,338.19 = 139,252 : x
  2. Step 2: Convert to fraction form
    252,436.54/348,338.19 = 139,252/x
  3. Step 3: Cross multiply
    252,436.54x = 348,338.19 × 139,252
  4. Step 4: Simplify right side
    252,436.54x = 48,506,789,633.88
  5. Step 5: Solve for x
    x = 48,506,789,633.88/252,436.54
  6. Step 6: Final answer
    x = 192,154.39

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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.