Home / 125,104.06-172,647.75-68,518.54

Finding the Fourth Proportional to 125,104.06, 172,647.75 and 68,518.54

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Solution

The fourth proportional to 125,104.06, 172,647.75 and 68,518.54 is: 94,557.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,104.06 : 172,647.75 = 68,518.54 : x
  2. Step 2: Convert to fraction form
    125,104.06/172,647.75 = 68,518.54/x
  3. Step 3: Cross multiply
    125,104.06x = 172,647.75 × 68,518.54
  4. Step 4: Simplify right side
    125,104.06x = 11,829,571,764.29
  5. Step 5: Solve for x
    x = 11,829,571,764.29/125,104.06
  6. Step 6: Final answer
    x = 94,557.86

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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.