Home / 90,201.06-135,333.18-27,871.56

Finding the Fourth Proportional to 90,201.06, 135,333.18 and 27,871.56

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Solution

The fourth proportional to 90,201.06, 135,333.18 and 27,871.56 is: 41,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,201.06 : 135,333.18 = 27,871.56 : x
  2. Step 2: Convert to fraction form
    90,201.06/135,333.18 = 27,871.56/x
  3. Step 3: Cross multiply
    90,201.06x = 135,333.18 × 27,871.56
  4. Step 4: Simplify right side
    90,201.06x = 3,771,946,846.36
  5. Step 5: Solve for x
    x = 3,771,946,846.36/90,201.06
  6. Step 6: Final answer
    x = 41,817.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.