Home / 238,971.25-329,741.74-136,977.94

Finding the Fourth Proportional to 238,971.25, 329,741.74 and 136,977.94

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Solution

The fourth proportional to 238,971.25, 329,741.74 and 136,977.94 is: 189,007.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,971.25 : 329,741.74 = 136,977.94 : x
  2. Step 2: Convert to fraction form
    238,971.25/329,741.74 = 136,977.94/x
  3. Step 3: Cross multiply
    238,971.25x = 329,741.74 × 136,977.94
  4. Step 4: Simplify right side
    238,971.25x = 45,167,344,090.11
  5. Step 5: Solve for x
    x = 45,167,344,090.11/238,971.25
  6. Step 6: Final answer
    x = 189,007.44

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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.