Home / 144,724.97-199,718.26-81,065.04

Finding the Fourth Proportional to 144,724.97, 199,718.26 and 81,065.04

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Solution

The fourth proportional to 144,724.97, 199,718.26 and 81,065.04 is: 111,868.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,724.97 : 199,718.26 = 81,065.04 : x
  2. Step 2: Convert to fraction form
    144,724.97/199,718.26 = 81,065.04/x
  3. Step 3: Cross multiply
    144,724.97x = 199,718.26 × 81,065.04
  4. Step 4: Simplify right side
    144,724.97x = 16,190,168,330.31
  5. Step 5: Solve for x
    x = 16,190,168,330.31/144,724.97
  6. Step 6: Final answer
    x = 111,868.52

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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.