Home / 90,590.88-135,834-35,122.08

Finding the Fourth Proportional to 90,590.88, 135,834 and 35,122.08

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Solution

The fourth proportional to 90,590.88, 135,834 and 35,122.08 is: 52,662.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,590.88 : 135,834 = 35,122.08 : x
  2. Step 2: Convert to fraction form
    90,590.88/135,834 = 35,122.08/x
  3. Step 3: Cross multiply
    90,590.88x = 135,834 × 35,122.08
  4. Step 4: Simplify right side
    90,590.88x = 4,770,772,614.72
  5. Step 5: Solve for x
    x = 4,770,772,614.72/90,590.88
  6. Step 6: Final answer
    x = 52,662.84

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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.