Home / 90,827.96-135,660.60-82,266.56

Finding the Fourth Proportional to 90,827.96, 135,660.60 and 82,266.56

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Solution

The fourth proportional to 90,827.96, 135,660.60 and 82,266.56 is: 122,873.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,827.96 : 135,660.60 = 82,266.56 : x
  2. Step 2: Convert to fraction form
    90,827.96/135,660.60 = 82,266.56/x
  3. Step 3: Cross multiply
    90,827.96x = 135,660.60 × 82,266.56
  4. Step 4: Simplify right side
    90,827.96x = 11,160,330,211.23
  5. Step 5: Solve for x
    x = 11,160,330,211.23/90,827.96
  6. Step 6: Final answer
    x = 122,873.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.