Home / 238,706.25-329,408.04-131,276.28

Finding the Fourth Proportional to 238,706.25, 329,408.04 and 131,276.28

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Solution

The fourth proportional to 238,706.25, 329,408.04 and 131,276.28 is: 181,157.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,706.25 : 329,408.04 = 131,276.28 : x
  2. Step 2: Convert to fraction form
    238,706.25/329,408.04 = 131,276.28/x
  3. Step 3: Cross multiply
    238,706.25x = 329,408.04 × 131,276.28
  4. Step 4: Simplify right side
    238,706.25x = 43,243,462,093.29
  5. Step 5: Solve for x
    x = 43,243,462,093.29/238,706.25
  6. Step 6: Final answer
    x = 181,157.64

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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.