Home / 144,268.92-199,087.38-80,607.15

Finding the Fourth Proportional to 144,268.92, 199,087.38 and 80,607.15

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Solution

The fourth proportional to 144,268.92, 199,087.38 and 80,607.15 is: 111,235.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,268.92 : 199,087.38 = 80,607.15 : x
  2. Step 2: Convert to fraction form
    144,268.92/199,087.38 = 80,607.15/x
  3. Step 3: Cross multiply
    144,268.92x = 199,087.38 × 80,607.15
  4. Step 4: Simplify right side
    144,268.92x = 16,047,866,302.77
  5. Step 5: Solve for x
    x = 16,047,866,302.77/144,268.92
  6. Step 6: Final answer
    x = 111,235.78

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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.