Home / 90,613.00-135,891.75-43,203.09

Finding the Fourth Proportional to 90,613.00, 135,891.75 and 43,203.09

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Solution

The fourth proportional to 90,613.00, 135,891.75 and 43,203.09 is: 64,791.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,613.00 : 135,891.75 = 43,203.09 : x
  2. Step 2: Convert to fraction form
    90,613.00/135,891.75 = 43,203.09/x
  3. Step 3: Cross multiply
    90,613.00x = 135,891.75 × 43,203.09
  4. Step 4: Simplify right side
    90,613.00x = 5,870,943,505.51
  5. Step 5: Solve for x
    x = 5,870,943,505.51/90,613.00
  6. Step 6: Final answer
    x = 64,791.41

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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.