Home / 122,558.06-169,130.20-68,843.10

Finding the Fourth Proportional to 122,558.06, 169,130.20 and 68,843.10

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Solution

The fourth proportional to 122,558.06, 169,130.20 and 68,843.10 is: 95,003.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,558.06 : 169,130.20 = 68,843.10 : x
  2. Step 2: Convert to fraction form
    122,558.06/169,130.20 = 68,843.10/x
  3. Step 3: Cross multiply
    122,558.06x = 169,130.20 × 68,843.10
  4. Step 4: Simplify right side
    122,558.06x = 11,643,447,271.62
  5. Step 5: Solve for x
    x = 11,643,447,271.62/122,558.06
  6. Step 6: Final answer
    x = 95,003.52

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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.