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Finding the Fourth Proportional to 133,795.50, 200,706.21 and 45,071.34

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Solution

The fourth proportional to 133,795.50, 200,706.21 and 45,071.34 is: 67,611.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,795.50 : 200,706.21 = 45,071.34 : x
  2. Step 2: Convert to fraction form
    133,795.50/200,706.21 = 45,071.34/x
  3. Step 3: Cross multiply
    133,795.50x = 200,706.21 × 45,071.34
  4. Step 4: Simplify right side
    133,795.50x = 9,046,097,831.02
  5. Step 5: Solve for x
    x = 9,046,097,831.02/133,795.50
  6. Step 6: Final answer
    x = 67,611.38

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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.