Home / 252,436.03-348,356.11-139,258.75

Finding the Fourth Proportional to 252,436.03, 348,356.11 and 139,258.75

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Solution

The fourth proportional to 252,436.03, 348,356.11 and 139,258.75 is: 192,173.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,436.03 : 348,356.11 = 139,258.75 : x
  2. Step 2: Convert to fraction form
    252,436.03/348,356.11 = 139,258.75/x
  3. Step 3: Cross multiply
    252,436.03x = 348,356.11 × 139,258.75
  4. Step 4: Simplify right side
    252,436.03x = 48,511,636,433.46
  5. Step 5: Solve for x
    x = 48,511,636,433.46/252,436.03
  6. Step 6: Final answer
    x = 192,173.98

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1.5x scale

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.