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Finding the Fourth Proportional to 171,718.85, 236,968.48 and 95,225.60

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Solution

The fourth proportional to 171,718.85, 236,968.48 and 95,225.60 is: 131,409.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,718.85 : 236,968.48 = 95,225.60 : x
  2. Step 2: Convert to fraction form
    171,718.85/236,968.48 = 95,225.60/x
  3. Step 3: Cross multiply
    171,718.85x = 236,968.48 × 95,225.60
  4. Step 4: Simplify right side
    171,718.85x = 22,565,465,667.11
  5. Step 5: Solve for x
    x = 22,565,465,667.11/171,718.85
  6. Step 6: Final answer
    x = 131,409.37

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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.