Home / 90,205.52-135,271.20-27,003.32

Finding the Fourth Proportional to 90,205.52, 135,271.20 and 27,003.32

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Solution

The fourth proportional to 90,205.52, 135,271.20 and 27,003.32 is: 40,493.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,205.52 : 135,271.20 = 27,003.32 : x
  2. Step 2: Convert to fraction form
    90,205.52/135,271.20 = 27,003.32/x
  3. Step 3: Cross multiply
    90,205.52x = 135,271.20 × 27,003.32
  4. Step 4: Simplify right side
    90,205.52x = 3,652,771,500.38
  5. Step 5: Solve for x
    x = 3,652,771,500.38/90,205.52
  6. Step 6: Final answer
    x = 40,493.88

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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.