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Finding the Fourth Proportional to 133,803.20, 200,413.20 and 110,475.20

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Solution

The fourth proportional to 133,803.20, 200,413.20 and 110,475.20 is: 165,472.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,803.20 : 200,413.20 = 110,475.20 : x
  2. Step 2: Convert to fraction form
    133,803.20/200,413.20 = 110,475.20/x
  3. Step 3: Cross multiply
    133,803.20x = 200,413.20 × 110,475.20
  4. Step 4: Simplify right side
    133,803.20x = 22,140,688,352.64
  5. Step 5: Solve for x
    x = 22,140,688,352.64/133,803.20
  6. Step 6: Final answer
    x = 165,472.04

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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.