Home / 256,638.22-354,146.31-141,910.02

Finding the Fourth Proportional to 256,638.22, 354,146.31 and 141,910.02

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Solution

The fourth proportional to 256,638.22, 354,146.31 and 141,910.02 is: 195,827.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,638.22 : 354,146.31 = 141,910.02 : x
  2. Step 2: Convert to fraction form
    256,638.22/354,146.31 = 141,910.02/x
  3. Step 3: Cross multiply
    256,638.22x = 354,146.31 × 141,910.02
  4. Step 4: Simplify right side
    256,638.22x = 50,256,909,935.03
  5. Step 5: Solve for x
    x = 50,256,909,935.03/256,638.22
  6. Step 6: Final answer
    x = 195,827.85

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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.