Home / 238,530.24-329,172.42-131,111.28

Finding the Fourth Proportional to 238,530.24, 329,172.42 and 131,111.28

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Solution

The fourth proportional to 238,530.24, 329,172.42 and 131,111.28 is: 180,933.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,530.24 : 329,172.42 = 131,111.28 : x
  2. Step 2: Convert to fraction form
    238,530.24/329,172.42 = 131,111.28/x
  3. Step 3: Cross multiply
    238,530.24x = 329,172.42 × 131,111.28
  4. Step 4: Simplify right side
    238,530.24x = 43,158,217,326.90
  5. Step 5: Solve for x
    x = 43,158,217,326.90/238,530.24
  6. Step 6: Final answer
    x = 180,933.95

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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.