Home / 238,696.47-329,409.59-131,274.81

Finding the Fourth Proportional to 238,696.47, 329,409.59 and 131,274.81

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Solution

The fourth proportional to 238,696.47, 329,409.59 and 131,274.81 is: 181,163.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,696.47 : 329,409.59 = 131,274.81 : x
  2. Step 2: Convert to fraction form
    238,696.47/329,409.59 = 131,274.81/x
  3. Step 3: Cross multiply
    238,696.47x = 329,409.59 × 131,274.81
  4. Step 4: Simplify right side
    238,696.47x = 43,243,180,683.05
  5. Step 5: Solve for x
    x = 43,243,180,683.05/238,696.47
  6. Step 6: Final answer
    x = 181,163.89

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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.