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Finding the Fourth Proportional to 171,683.52, 236,920.72 and 95,202.72

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Solution

The fourth proportional to 171,683.52, 236,920.72 and 95,202.72 is: 131,378.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,683.52 : 236,920.72 = 95,202.72 : x
  2. Step 2: Convert to fraction form
    171,683.52/236,920.72 = 95,202.72/x
  3. Step 3: Cross multiply
    171,683.52x = 236,920.72 × 95,202.72
  4. Step 4: Simplify right side
    171,683.52x = 22,555,496,968.36
  5. Step 5: Solve for x
    x = 22,555,496,968.36/171,683.52
  6. Step 6: Final answer
    x = 131,378.35

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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.