Home / 90,166.08-135,258.14-30,993.96

Finding the Fourth Proportional to 90,166.08, 135,258.14 and 30,993.96

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Solution

The fourth proportional to 90,166.08, 135,258.14 and 30,993.96 is: 46,494.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,166.08 : 135,258.14 = 30,993.96 : x
  2. Step 2: Convert to fraction form
    90,166.08/135,258.14 = 30,993.96/x
  3. Step 3: Cross multiply
    90,166.08x = 135,258.14 × 30,993.96
  4. Step 4: Simplify right side
    90,166.08x = 4,192,185,380.83
  5. Step 5: Solve for x
    x = 4,192,185,380.83/90,166.08
  6. Step 6: Final answer
    x = 46,494.04

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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.