Home / 238,917.72-329,688.18-136,941.96

Finding the Fourth Proportional to 238,917.72, 329,688.18 and 136,941.96

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Solution

The fourth proportional to 238,917.72, 329,688.18 and 136,941.96 is: 188,969.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,917.72 : 329,688.18 = 136,941.96 : x
  2. Step 2: Convert to fraction form
    238,917.72/329,688.18 = 136,941.96/x
  3. Step 3: Cross multiply
    238,917.72x = 329,688.18 × 136,941.96
  4. Step 4: Simplify right side
    238,917.72x = 45,148,145,558.03
  5. Step 5: Solve for x
    x = 45,148,145,558.03/238,917.72
  6. Step 6: Final answer
    x = 188,969.43

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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.