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Finding the Fourth Proportional to 134,504.36, 201,639.66 and 67,889

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Solution

The fourth proportional to 134,504.36, 201,639.66 and 67,889 is: 101,774.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,504.36 : 201,639.66 = 67,889 : x
  2. Step 2: Convert to fraction form
    134,504.36/201,639.66 = 67,889/x
  3. Step 3: Cross multiply
    134,504.36x = 201,639.66 × 67,889
  4. Step 4: Simplify right side
    134,504.36x = 13,689,114,877.74
  5. Step 5: Solve for x
    x = 13,689,114,877.74/134,504.36
  6. Step 6: Final answer
    x = 101,774.51

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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.