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Finding the Fourth Proportional to 191,908.90, 264,942.49 and 133,078.60

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Solution

The fourth proportional to 191,908.90, 264,942.49 and 133,078.60 is: 183,723.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,908.90 : 264,942.49 = 133,078.60 : x
  2. Step 2: Convert to fraction form
    191,908.90/264,942.49 = 133,078.60/x
  3. Step 3: Cross multiply
    191,908.90x = 264,942.49 × 133,078.60
  4. Step 4: Simplify right side
    191,908.90x = 35,258,175,649.71
  5. Step 5: Solve for x
    x = 35,258,175,649.71/191,908.90
  6. Step 6: Final answer
    x = 183,723.50

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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.