Home / 250,260.63-345,359.37-135,539.21

Finding the Fourth Proportional to 250,260.63, 345,359.37 and 135,539.21

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Solution

The fourth proportional to 250,260.63, 345,359.37 and 135,539.21 is: 187,043.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,260.63 : 345,359.37 = 135,539.21 : x
  2. Step 2: Convert to fraction form
    250,260.63/345,359.37 = 135,539.21/x
  3. Step 3: Cross multiply
    250,260.63x = 345,359.37 × 135,539.21
  4. Step 4: Simplify right side
    250,260.63x = 46,809,735,223.72
  5. Step 5: Solve for x
    x = 46,809,735,223.72/250,260.63
  6. Step 6: Final answer
    x = 187,043.94

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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.