Home / 124,764.75-172,179.63-68,179.77

Finding the Fourth Proportional to 124,764.75, 172,179.63 and 68,179.77

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Solution

The fourth proportional to 124,764.75, 172,179.63 and 68,179.77 is: 94,090.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,764.75 : 172,179.63 = 68,179.77 : x
  2. Step 2: Convert to fraction form
    124,764.75/172,179.63 = 68,179.77/x
  3. Step 3: Cross multiply
    124,764.75x = 172,179.63 × 68,179.77
  4. Step 4: Simplify right side
    124,764.75x = 11,739,167,572.09
  5. Step 5: Solve for x
    x = 11,739,167,572.09/124,764.75
  6. Step 6: Final answer
    x = 94,090.42

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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.