Home / 154,620.02-213,372.02-90,961.92

Finding the Fourth Proportional to 154,620.02, 213,372.02 and 90,961.92

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Solution

The fourth proportional to 154,620.02, 213,372.02 and 90,961.92 is: 125,525.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,620.02 : 213,372.02 = 90,961.92 : x
  2. Step 2: Convert to fraction form
    154,620.02/213,372.02 = 90,961.92/x
  3. Step 3: Cross multiply
    154,620.02x = 213,372.02 × 90,961.92
  4. Step 4: Simplify right side
    154,620.02x = 19,408,728,840.88
  5. Step 5: Solve for x
    x = 19,408,728,840.88/154,620.02
  6. Step 6: Final answer
    x = 125,525.33

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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.