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Finding the Fourth Proportional to 91,774.70, 137,662.05 and 91,774.70

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Solution

The fourth proportional to 91,774.70, 137,662.05 and 91,774.70 is: 137,662.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,774.70 : 137,662.05 = 91,774.70 : x
  2. Step 2: Convert to fraction form
    91,774.70/137,662.05 = 91,774.70/x
  3. Step 3: Cross multiply
    91,774.70x = 137,662.05 × 91,774.70
  4. Step 4: Simplify right side
    91,774.70x = 12,633,893,340.14
  5. Step 5: Solve for x
    x = 12,633,893,340.14/91,774.70
  6. Step 6: Final answer
    x = 137,662.05

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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.