Home / 124,879.83-172,334.07-68,291.19

Finding the Fourth Proportional to 124,879.83, 172,334.07 and 68,291.19

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Solution

The fourth proportional to 124,879.83, 172,334.07 and 68,291.19 is: 94,241.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,879.83 : 172,334.07 = 68,291.19 : x
  2. Step 2: Convert to fraction form
    124,879.83/172,334.07 = 68,291.19/x
  3. Step 3: Cross multiply
    124,879.83x = 172,334.07 × 68,291.19
  4. Step 4: Simplify right side
    124,879.83x = 11,768,898,717.84
  5. Step 5: Solve for x
    x = 11,768,898,717.84/124,879.83
  6. Step 6: Final answer
    x = 94,241.79

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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.