Home / 250,045.23-345,059.75-135,321.36

Finding the Fourth Proportional to 250,045.23, 345,059.75 and 135,321.36

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Solution

The fourth proportional to 250,045.23, 345,059.75 and 135,321.36 is: 186,742.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,045.23 : 345,059.75 = 135,321.36 : x
  2. Step 2: Convert to fraction form
    250,045.23/345,059.75 = 135,321.36/x
  3. Step 3: Cross multiply
    250,045.23x = 345,059.75 × 135,321.36
  4. Step 4: Simplify right side
    250,045.23x = 46,693,954,651.26
  5. Step 5: Solve for x
    x = 46,693,954,651.26/250,045.23
  6. Step 6: Final answer
    x = 186,742.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.