Home / 90,204.63-135,234.03-37,653.45

Finding the Fourth Proportional to 90,204.63, 135,234.03 and 37,653.45

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Solution

The fourth proportional to 90,204.63, 135,234.03 and 37,653.45 is: 56,449.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,204.63 : 135,234.03 = 37,653.45 : x
  2. Step 2: Convert to fraction form
    90,204.63/135,234.03 = 37,653.45/x
  3. Step 3: Cross multiply
    90,204.63x = 135,234.03 × 37,653.45
  4. Step 4: Simplify right side
    90,204.63x = 5,092,027,786.90
  5. Step 5: Solve for x
    x = 5,092,027,786.90/90,204.63
  6. Step 6: Final answer
    x = 56,449.74

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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.