Home / 122,658.15-169,273.04-68,943

Finding the Fourth Proportional to 122,658.15, 169,273.04 and 68,943

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Solution

The fourth proportional to 122,658.15, 169,273.04 and 68,943 is: 95,144.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,658.15 : 169,273.04 = 68,943 : x
  2. Step 2: Convert to fraction form
    122,658.15/169,273.04 = 68,943/x
  3. Step 3: Cross multiply
    122,658.15x = 169,273.04 × 68,943
  4. Step 4: Simplify right side
    122,658.15x = 11,670,190,852.01
  5. Step 5: Solve for x
    x = 11,670,190,852.01/122,658.15
  6. Step 6: Final answer
    x = 95,144.03

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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.