Home / 250,240.31-345,331.07-135,518.60

Finding the Fourth Proportional to 250,240.31, 345,331.07 and 135,518.60

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Solution

The fourth proportional to 250,240.31, 345,331.07 and 135,518.60 is: 187,015.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,240.31 : 345,331.07 = 135,518.60 : x
  2. Step 2: Convert to fraction form
    250,240.31/345,331.07 = 135,518.60/x
  3. Step 3: Cross multiply
    250,240.31x = 345,331.07 × 135,518.60
  4. Step 4: Simplify right side
    250,240.31x = 46,798,783,142.90
  5. Step 5: Solve for x
    x = 46,798,783,142.90/250,240.31
  6. Step 6: Final answer
    x = 187,015.37

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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.