Home / 90,193.88-135,271.38-33,254.12

Finding the Fourth Proportional to 90,193.88, 135,271.38 and 33,254.12

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Solution

The fourth proportional to 90,193.88, 135,271.38 and 33,254.12 is: 49,874.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,193.88 : 135,271.38 = 33,254.12 : x
  2. Step 2: Convert to fraction form
    90,193.88/135,271.38 = 33,254.12/x
  3. Step 3: Cross multiply
    90,193.88x = 135,271.38 × 33,254.12
  4. Step 4: Simplify right side
    90,193.88x = 4,498,330,703.09
  5. Step 5: Solve for x
    x = 4,498,330,703.09/90,193.88
  6. Step 6: Final answer
    x = 49,874.01

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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.