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Finding the Fourth Proportional to 133,659.98, 200,492.50 and 43,702.73

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Solution

The fourth proportional to 133,659.98, 200,492.50 and 43,702.73 is: 65,554.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,659.98 : 200,492.50 = 43,702.73 : x
  2. Step 2: Convert to fraction form
    133,659.98/200,492.50 = 43,702.73/x
  3. Step 3: Cross multiply
    133,659.98x = 200,492.50 × 43,702.73
  4. Step 4: Simplify right side
    133,659.98x = 8,762,069,594.53
  5. Step 5: Solve for x
    x = 8,762,069,594.53/133,659.98
  6. Step 6: Final answer
    x = 65,554.92

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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.