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Finding the Fourth Proportional to 190,925.60, 263,461.20 and 115,469.60

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Solution

The fourth proportional to 190,925.60, 263,461.20 and 115,469.60 is: 159,338.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,925.60 : 263,461.20 = 115,469.60 : x
  2. Step 2: Convert to fraction form
    190,925.60/263,461.20 = 115,469.60/x
  3. Step 3: Cross multiply
    190,925.60x = 263,461.20 × 115,469.60
  4. Step 4: Simplify right side
    190,925.60x = 30,421,759,379.52
  5. Step 5: Solve for x
    x = 30,421,759,379.52/190,925.60
  6. Step 6: Final answer
    x = 159,338.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.