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Finding the Fourth Proportional to 136,692, 205,038 and 38,196

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Solution

The fourth proportional to 136,692, 205,038 and 38,196 is: 57,294

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,692 : 205,038 = 38,196 : x
  2. Step 2: Convert to fraction form
    136,692/205,038 = 38,196/x
  3. Step 3: Cross multiply
    136,692x = 205,038 × 38,196
  4. Step 4: Simplify right side
    136,692x = 7,831,631,448
  5. Step 5: Solve for x
    x = 7,831,631,448/136,692
  6. Step 6: Final answer
    x = 57,294

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.