Home / 134,078.88-184,975.97-86,359.91

Finding the Fourth Proportional to 134,078.88, 184,975.97 and 86,359.91

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Solution

The fourth proportional to 134,078.88, 184,975.97 and 86,359.91 is: 119,142.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,078.88 : 184,975.97 = 86,359.91 : x
  2. Step 2: Convert to fraction form
    134,078.88/184,975.97 = 86,359.91/x
  3. Step 3: Cross multiply
    134,078.88x = 184,975.97 × 86,359.91
  4. Step 4: Simplify right side
    134,078.88x = 15,974,508,290.95
  5. Step 5: Solve for x
    x = 15,974,508,290.95/134,078.88
  6. Step 6: Final answer
    x = 119,142.61

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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.