Home / 144,622.81-199,577.96-80,961.13

Finding the Fourth Proportional to 144,622.81, 199,577.96 and 80,961.13

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Solution

The fourth proportional to 144,622.81, 199,577.96 and 80,961.13 is: 111,725.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,622.81 : 199,577.96 = 80,961.13 : x
  2. Step 2: Convert to fraction form
    144,622.81/199,577.96 = 80,961.13/x
  3. Step 3: Cross multiply
    144,622.81x = 199,577.96 × 80,961.13
  4. Step 4: Simplify right side
    144,622.81x = 16,158,056,759.89
  5. Step 5: Solve for x
    x = 16,158,056,759.89/144,622.81
  6. Step 6: Final answer
    x = 111,725.51

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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.