Home / 144,491.31-199,402.16-80,829.36

Finding the Fourth Proportional to 144,491.31, 199,402.16 and 80,829.36

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Solution

The fourth proportional to 144,491.31, 199,402.16 and 80,829.36 is: 111,546.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,491.31 : 199,402.16 = 80,829.36 : x
  2. Step 2: Convert to fraction form
    144,491.31/199,402.16 = 80,829.36/x
  3. Step 3: Cross multiply
    144,491.31x = 199,402.16 × 80,829.36
  4. Step 4: Simplify right side
    144,491.31x = 16,117,548,571.27
  5. Step 5: Solve for x
    x = 16,117,548,571.27/144,491.31
  6. Step 6: Final answer
    x = 111,546.84

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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.