Home / 190,413.29-262,768.70-104,377.05

Finding the Fourth Proportional to 190,413.29, 262,768.70 and 104,377.05

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Solution

The fourth proportional to 190,413.29, 262,768.70 and 104,377.05 is: 144,039.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,413.29 : 262,768.70 = 104,377.05 : x
  2. Step 2: Convert to fraction form
    190,413.29/262,768.70 = 104,377.05/x
  3. Step 3: Cross multiply
    190,413.29x = 262,768.70 × 104,377.05
  4. Step 4: Simplify right side
    190,413.29x = 27,427,021,216.45
  5. Step 5: Solve for x
    x = 27,427,021,216.45/190,413.29
  6. Step 6: Final answer
    x = 144,039.43

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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.