Home / 238,706.37-329,408.21-131,276.40

Finding the Fourth Proportional to 238,706.37, 329,408.21 and 131,276.40

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Solution

The fourth proportional to 238,706.37, 329,408.21 and 131,276.40 is: 181,157.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,706.37 : 329,408.21 = 131,276.40 : x
  2. Step 2: Convert to fraction form
    238,706.37/329,408.21 = 131,276.40/x
  3. Step 3: Cross multiply
    238,706.37x = 329,408.21 × 131,276.40
  4. Step 4: Simplify right side
    238,706.37x = 43,243,524,267.44
  5. Step 5: Solve for x
    x = 43,243,524,267.44/238,706.37
  6. Step 6: Final answer
    x = 181,157.81

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1.5x scale

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.