Home / 122,511.02-169,064.55-68,800.73

Finding the Fourth Proportional to 122,511.02, 169,064.55 and 68,800.73

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Solution

The fourth proportional to 122,511.02, 169,064.55 and 68,800.73 is: 94,944.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,511.02 : 169,064.55 = 68,800.73 : x
  2. Step 2: Convert to fraction form
    122,511.02/169,064.55 = 68,800.73/x
  3. Step 3: Cross multiply
    122,511.02x = 169,064.55 × 68,800.73
  4. Step 4: Simplify right side
    122,511.02x = 11,631,763,611.80
  5. Step 5: Solve for x
    x = 11,631,763,611.80/122,511.02
  6. Step 6: Final answer
    x = 94,944.64

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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.