Home / 252,435.97-348,356.03-139,258.69

Finding the Fourth Proportional to 252,435.97, 348,356.03 and 139,258.69

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Solution

The fourth proportional to 252,435.97, 348,356.03 and 139,258.69 is: 192,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,435.97 : 348,356.03 = 139,258.69 : x
  2. Step 2: Convert to fraction form
    252,435.97/348,356.03 = 139,258.69/x
  3. Step 3: Cross multiply
    252,435.97x = 348,356.03 × 139,258.69
  4. Step 4: Simplify right side
    252,435.97x = 48,511,604,391.40
  5. Step 5: Solve for x
    x = 48,511,604,391.40/252,435.97
  6. Step 6: Final answer
    x = 192,173.90

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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.