Home / 252,436.92-348,338.71-139,252.38

Finding the Fourth Proportional to 252,436.92, 348,338.71 and 139,252.38

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Solution

The fourth proportional to 252,436.92, 348,338.71 and 139,252.38 is: 192,154.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,436.92 : 348,338.71 = 139,252.38 : x
  2. Step 2: Convert to fraction form
    252,436.92/348,338.71 = 139,252.38/x
  3. Step 3: Cross multiply
    252,436.92x = 348,338.71 × 139,252.38
  4. Step 4: Simplify right side
    252,436.92x = 48,506,994,413.63
  5. Step 5: Solve for x
    x = 48,506,994,413.63/252,436.92
  6. Step 6: Final answer
    x = 192,154.91

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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.