Home / 122,365.21-183,540.41-72,760.97

Finding the Fourth Proportional to 122,365.21, 183,540.41 and 72,760.97

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Solution

The fourth proportional to 122,365.21, 183,540.41 and 72,760.97 is: 109,137.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,365.21 : 183,540.41 = 72,760.97 : x
  2. Step 2: Convert to fraction form
    122,365.21/183,540.41 = 72,760.97/x
  3. Step 3: Cross multiply
    122,365.21x = 183,540.41 × 72,760.97
  4. Step 4: Simplify right side
    122,365.21x = 13,354,578,360.84
  5. Step 5: Solve for x
    x = 13,354,578,360.84/122,365.21
  6. Step 6: Final answer
    x = 109,137.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.