Home / 250,579.88-345,802.60-135,858.23

Finding the Fourth Proportional to 250,579.88, 345,802.60 and 135,858.23

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Solution

The fourth proportional to 250,579.88, 345,802.60 and 135,858.23 is: 187,485.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,579.88 : 345,802.60 = 135,858.23 : x
  2. Step 2: Convert to fraction form
    250,579.88/345,802.60 = 135,858.23/x
  3. Step 3: Cross multiply
    250,579.88x = 345,802.60 × 135,858.23
  4. Step 4: Simplify right side
    250,579.88x = 46,980,128,902.97
  5. Step 5: Solve for x
    x = 46,980,128,902.97/250,579.88
  6. Step 6: Final answer
    x = 187,485.64

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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.