Home / 135,914.90-203,469.15-101,009.30

Finding the Fourth Proportional to 135,914.90, 203,469.15 and 101,009.30

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Solution

The fourth proportional to 135,914.90, 203,469.15 and 101,009.30 is: 151,214.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,914.90 : 203,469.15 = 101,009.30 : x
  2. Step 2: Convert to fraction form
    135,914.90/203,469.15 = 101,009.30/x
  3. Step 3: Cross multiply
    135,914.90x = 203,469.15 × 101,009.30
  4. Step 4: Simplify right side
    135,914.90x = 20,552,276,413.10
  5. Step 5: Solve for x
    x = 20,552,276,413.10/135,914.90
  6. Step 6: Final answer
    x = 151,214.30

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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.