Home / 250,287.10-345,394.46-135,563.15

Finding the Fourth Proportional to 250,287.10, 345,394.46 and 135,563.15

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Solution

The fourth proportional to 250,287.10, 345,394.46 and 135,563.15 is: 187,076.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,287.10 : 345,394.46 = 135,563.15 : x
  2. Step 2: Convert to fraction form
    250,287.10/345,394.46 = 135,563.15/x
  3. Step 3: Cross multiply
    250,287.10x = 345,394.46 × 135,563.15
  4. Step 4: Simplify right side
    250,287.10x = 46,822,762,192.54
  5. Step 5: Solve for x
    x = 46,822,762,192.54/250,287.10
  6. Step 6: Final answer
    x = 187,076.21

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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.