Home / 238,706.73-329,408.71-131,276.75

Finding the Fourth Proportional to 238,706.73, 329,408.71 and 131,276.75

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Solution

The fourth proportional to 238,706.73, 329,408.71 and 131,276.75 is: 181,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,706.73 : 329,408.71 = 131,276.75 : x
  2. Step 2: Convert to fraction form
    238,706.73/329,408.71 = 131,276.75/x
  3. Step 3: Cross multiply
    238,706.73x = 329,408.71 × 131,276.75
  4. Step 4: Simplify right side
    238,706.73x = 43,243,704,870.49
  5. Step 5: Solve for x
    x = 43,243,704,870.49/238,706.73
  6. Step 6: Final answer
    x = 181,158.30

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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.