Home / 144,492.02-199,409.49-80,850.32

Finding the Fourth Proportional to 144,492.02, 199,409.49 and 80,850.32

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Solution

The fourth proportional to 144,492.02, 199,409.49 and 80,850.32 is: 111,579.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,492.02 : 199,409.49 = 80,850.32 : x
  2. Step 2: Convert to fraction form
    144,492.02/199,409.49 = 80,850.32/x
  3. Step 3: Cross multiply
    144,492.02x = 199,409.49 × 80,850.32
  4. Step 4: Simplify right side
    144,492.02x = 16,122,321,077.54
  5. Step 5: Solve for x
    x = 16,122,321,077.54/144,492.02
  6. Step 6: Final answer
    x = 111,579.32

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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.