Home / 144,440.96-199,327.84-80,779.01

Finding the Fourth Proportional to 144,440.96, 199,327.84 and 80,779.01

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Solution

The fourth proportional to 144,440.96, 199,327.84 and 80,779.01 is: 111,474.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,440.96 : 199,327.84 = 80,779.01 : x
  2. Step 2: Convert to fraction form
    144,440.96/199,327.84 = 80,779.01/x
  3. Step 3: Cross multiply
    144,440.96x = 199,327.84 × 80,779.01
  4. Step 4: Simplify right side
    144,440.96x = 16,101,504,382.05
  5. Step 5: Solve for x
    x = 16,101,504,382.05/144,440.96
  6. Step 6: Final answer
    x = 111,474.65

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1.5x scale

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.