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Finding the Fourth Proportional to 90,176.96, 135,169.92 and 33,992.72

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Solution

The fourth proportional to 90,176.96, 135,169.92 and 33,992.72 is: 50,953.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,176.96 : 135,169.92 = 33,992.72 : x
  2. Step 2: Convert to fraction form
    90,176.96/135,169.92 = 33,992.72/x
  3. Step 3: Cross multiply
    90,176.96x = 135,169.92 × 33,992.72
  4. Step 4: Simplify right side
    90,176.96x = 4,594,793,242.98
  5. Step 5: Solve for x
    x = 4,594,793,242.98/90,176.96
  6. Step 6: Final answer
    x = 50,953.07

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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.