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Finding the Fourth Proportional to 133,637.34, 200,413.57 and 43,659.55

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Solution

The fourth proportional to 133,637.34, 200,413.57 and 43,659.55 is: 65,475.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,637.34 : 200,413.57 = 43,659.55 : x
  2. Step 2: Convert to fraction form
    133,637.34/200,413.57 = 43,659.55/x
  3. Step 3: Cross multiply
    133,637.34x = 200,413.57 × 43,659.55
  4. Step 4: Simplify right side
    133,637.34x = 8,749,965,743.64
  5. Step 5: Solve for x
    x = 8,749,965,743.64/133,637.34
  6. Step 6: Final answer
    x = 65,475.46

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1.5x scale

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.