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Finding the Fourth Proportional to 144,230.73, 199,040.03 and 79,699.70

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Solution

The fourth proportional to 144,230.73, 199,040.03 and 79,699.70 is: 109,986.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,230.73 : 199,040.03 = 79,699.70 : x
  2. Step 2: Convert to fraction form
    144,230.73/199,040.03 = 79,699.70/x
  3. Step 3: Cross multiply
    144,230.73x = 199,040.03 × 79,699.70
  4. Step 4: Simplify right side
    144,230.73x = 15,863,430,405.68
  5. Step 5: Solve for x
    x = 15,863,430,405.68/144,230.73
  6. Step 6: Final answer
    x = 109,986.48

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1.5x scale

Why These Related Problems?

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