Home / 90,450.01-135,525.25-31,252.78

Finding the Fourth Proportional to 90,450.01, 135,525.25 and 31,252.78

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Solution

The fourth proportional to 90,450.01, 135,525.25 and 31,252.78 is: 46,827.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,450.01 : 135,525.25 = 31,252.78 : x
  2. Step 2: Convert to fraction form
    90,450.01/135,525.25 = 31,252.78/x
  3. Step 3: Cross multiply
    90,450.01x = 135,525.25 × 31,252.78
  4. Step 4: Simplify right side
    90,450.01x = 4,235,540,822.70
  5. Step 5: Solve for x
    x = 4,235,540,822.70/90,450.01
  6. Step 6: Final answer
    x = 46,827.42

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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.