Home / 144,512.70-199,428.42-80,850.48

Finding the Fourth Proportional to 144,512.70, 199,428.42 and 80,850.48

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Solution

The fourth proportional to 144,512.70, 199,428.42 and 80,850.48 is: 111,574.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,512.70 : 199,428.42 = 80,850.48 : x
  2. Step 2: Convert to fraction form
    144,512.70/199,428.42 = 80,850.48/x
  3. Step 3: Cross multiply
    144,512.70x = 199,428.42 × 80,850.48
  4. Step 4: Simplify right side
    144,512.70x = 16,123,883,482.64
  5. Step 5: Solve for x
    x = 16,123,883,482.64/144,512.70
  6. Step 6: Final answer
    x = 111,574.16

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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.