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Finding the Fourth Proportional to 140,794.53, 211,189.53 and 34,179.33

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Solution

The fourth proportional to 140,794.53, 211,189.53 and 34,179.33 is: 51,268.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,794.53 : 211,189.53 = 34,179.33 : x
  2. Step 2: Convert to fraction form
    140,794.53/211,189.53 = 34,179.33/x
  3. Step 3: Cross multiply
    140,794.53x = 211,189.53 × 34,179.33
  4. Step 4: Simplify right side
    140,794.53x = 7,218,316,638.41
  5. Step 5: Solve for x
    x = 7,218,316,638.41/140,794.53
  6. Step 6: Final answer
    x = 51,268.45

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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.