Home / 90,741.06-135,993.33-46,330.38

Finding the Fourth Proportional to 90,741.06, 135,993.33 and 46,330.38

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Solution

The fourth proportional to 90,741.06, 135,993.33 and 46,330.38 is: 69,435.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,741.06 : 135,993.33 = 46,330.38 : x
  2. Step 2: Convert to fraction form
    90,741.06/135,993.33 = 46,330.38/x
  3. Step 3: Cross multiply
    90,741.06x = 135,993.33 × 46,330.38
  4. Step 4: Simplify right side
    90,741.06x = 6,300,622,656.37
  5. Step 5: Solve for x
    x = 6,300,622,656.37/90,741.06
  6. Step 6: Final answer
    x = 69,435.19

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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.