Home / 238,696.72-329,409.93-131,275.06

Finding the Fourth Proportional to 238,696.72, 329,409.93 and 131,275.06

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Solution

The fourth proportional to 238,696.72, 329,409.93 and 131,275.06 is: 181,164.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,696.72 : 329,409.93 = 131,275.06 : x
  2. Step 2: Convert to fraction form
    238,696.72/329,409.93 = 131,275.06/x
  3. Step 3: Cross multiply
    238,696.72x = 329,409.93 × 131,275.06
  4. Step 4: Simplify right side
    238,696.72x = 43,243,308,325.35
  5. Step 5: Solve for x
    x = 43,243,308,325.35/238,696.72
  6. Step 6: Final answer
    x = 181,164.23

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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.