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Finding the Fourth Proportional to 133,895.97, 200,667.65 and 62,807.54

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Solution

The fourth proportional to 133,895.97, 200,667.65 and 62,807.54 is: 94,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,895.97 : 200,667.65 = 62,807.54 : x
  2. Step 2: Convert to fraction form
    133,895.97/200,667.65 = 62,807.54/x
  3. Step 3: Cross multiply
    133,895.97x = 200,667.65 × 62,807.54
  4. Step 4: Simplify right side
    133,895.97x = 12,603,440,136.71
  5. Step 5: Solve for x
    x = 12,603,440,136.71/133,895.97
  6. Step 6: Final answer
    x = 94,128.60

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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.