Home / 90,192.94-135,310.45-26,152.42

Finding the Fourth Proportional to 90,192.94, 135,310.45 and 26,152.42

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Solution

The fourth proportional to 90,192.94, 135,310.45 and 26,152.42 is: 39,234.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,192.94 : 135,310.45 = 26,152.42 : x
  2. Step 2: Convert to fraction form
    90,192.94/135,310.45 = 26,152.42/x
  3. Step 3: Cross multiply
    90,192.94x = 135,310.45 × 26,152.42
  4. Step 4: Simplify right side
    90,192.94x = 3,538,695,617.87
  5. Step 5: Solve for x
    x = 3,538,695,617.87/90,192.94
  6. Step 6: Final answer
    x = 39,234.73

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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.