Home / 126,039.93-189,078.33-46,081.80

Finding the Fourth Proportional to 126,039.93, 189,078.33 and 46,081.80

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Solution

The fourth proportional to 126,039.93, 189,078.33 and 46,081.80 is: 69,129.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,039.93 : 189,078.33 = 46,081.80 : x
  2. Step 2: Convert to fraction form
    126,039.93/189,078.33 = 46,081.80/x
  3. Step 3: Cross multiply
    126,039.93x = 189,078.33 × 46,081.80
  4. Step 4: Simplify right side
    126,039.93x = 8,713,069,787.39
  5. Step 5: Solve for x
    x = 8,713,069,787.39/126,039.93
  6. Step 6: Final answer
    x = 69,129.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.