Home / 250,330.82-345,457.29-135,610.64

Finding the Fourth Proportional to 250,330.82, 345,457.29 and 135,610.64

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Solution

The fourth proportional to 250,330.82, 345,457.29 and 135,610.64 is: 187,143.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,330.82 : 345,457.29 = 135,610.64 : x
  2. Step 2: Convert to fraction form
    250,330.82/345,457.29 = 135,610.64/x
  3. Step 3: Cross multiply
    250,330.82x = 345,457.29 × 135,610.64
  4. Step 4: Simplify right side
    250,330.82x = 46,847,684,189.57
  5. Step 5: Solve for x
    x = 46,847,684,189.57/250,330.82
  6. Step 6: Final answer
    x = 187,143.09

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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.