Home / 190,273.58-285,413.16-90,444.02

Finding the Fourth Proportional to 190,273.58, 285,413.16 and 90,444.02

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Solution

The fourth proportional to 190,273.58, 285,413.16 and 90,444.02 is: 135,667.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,273.58 : 285,413.16 = 90,444.02 : x
  2. Step 2: Convert to fraction form
    190,273.58/285,413.16 = 90,444.02/x
  3. Step 3: Cross multiply
    190,273.58x = 285,413.16 × 90,444.02
  4. Step 4: Simplify right side
    190,273.58x = 25,813,913,551.30
  5. Step 5: Solve for x
    x = 25,813,913,551.30/190,273.58
  6. Step 6: Final answer
    x = 135,667.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.