Home / 96,842.28-133,333.38-82,638.12

Finding the Fourth Proportional to 96,842.28, 133,333.38 and 82,638.12

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Solution

The fourth proportional to 96,842.28, 133,333.38 and 82,638.12 is: 113,776.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,842.28 : 133,333.38 = 82,638.12 : x
  2. Step 2: Convert to fraction form
    96,842.28/133,333.38 = 82,638.12/x
  3. Step 3: Cross multiply
    96,842.28x = 133,333.38 × 82,638.12
  4. Step 4: Simplify right side
    96,842.28x = 11,018,419,856.45
  5. Step 5: Solve for x
    x = 11,018,419,856.45/96,842.28
  6. Step 6: Final answer
    x = 113,776.96

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1.5x scale

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.