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Finding the Fourth Proportional to 133,569.90, 200,200.92 and 67,055.94

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Solution

The fourth proportional to 133,569.90, 200,200.92 and 67,055.94 is: 100,506.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,569.90 : 200,200.92 = 67,055.94 : x
  2. Step 2: Convert to fraction form
    133,569.90/200,200.92 = 67,055.94/x
  3. Step 3: Cross multiply
    133,569.90x = 200,200.92 × 67,055.94
  4. Step 4: Simplify right side
    133,569.90x = 13,424,660,879.46
  5. Step 5: Solve for x
    x = 13,424,660,879.46/133,569.90
  6. Step 6: Final answer
    x = 100,506.63

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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.