Home / 144,321.02-199,154.43-79,786.39

Finding the Fourth Proportional to 144,321.02, 199,154.43 and 79,786.39

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Solution

The fourth proportional to 144,321.02, 199,154.43 and 79,786.39 is: 110,100.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,321.02 : 199,154.43 = 79,786.39 : x
  2. Step 2: Convert to fraction form
    144,321.02/199,154.43 = 79,786.39/x
  3. Step 3: Cross multiply
    144,321.02x = 199,154.43 × 79,786.39
  4. Step 4: Simplify right side
    144,321.02x = 15,889,812,623.28
  5. Step 5: Solve for x
    x = 15,889,812,623.28/144,321.02
  6. Step 6: Final answer
    x = 110,100.47

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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.