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Finding the Fourth Proportional to 236,842.10, 326,806.41 and 134,871.41

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Solution

The fourth proportional to 236,842.10, 326,806.41 and 134,871.41 is: 186,102.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,842.10 : 326,806.41 = 134,871.41 : x
  2. Step 2: Convert to fraction form
    236,842.10/326,806.41 = 134,871.41/x
  3. Step 3: Cross multiply
    236,842.10x = 326,806.41 × 134,871.41
  4. Step 4: Simplify right side
    236,842.10x = 44,076,841,313.74
  5. Step 5: Solve for x
    x = 44,076,841,313.74/236,842.10
  6. Step 6: Final answer
    x = 186,102.22

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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.