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Finding the Fourth Proportional to 91,100.70, 136,541.70 and 46,704.60

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Solution

The fourth proportional to 91,100.70, 136,541.70 and 46,704.60 is: 70,000.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,100.70 : 136,541.70 = 46,704.60 : x
  2. Step 2: Convert to fraction form
    91,100.70/136,541.70 = 46,704.60/x
  3. Step 3: Cross multiply
    91,100.70x = 136,541.70 × 46,704.60
  4. Step 4: Simplify right side
    91,100.70x = 6,377,125,481.82
  5. Step 5: Solve for x
    x = 6,377,125,481.82/91,100.70
  6. Step 6: Final answer
    x = 70,000.84

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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.