Home / 250,101.09-345,107.36-142,664.71

Finding the Fourth Proportional to 250,101.09, 345,107.36 and 142,664.71

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Solution

The fourth proportional to 250,101.09, 345,107.36 and 142,664.71 is: 196,858.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,101.09 : 345,107.36 = 142,664.71 : x
  2. Step 2: Convert to fraction form
    250,101.09/345,107.36 = 142,664.71/x
  3. Step 3: Cross multiply
    250,101.09x = 345,107.36 × 142,664.71
  4. Step 4: Simplify right side
    250,101.09x = 49,234,641,433.27
  5. Step 5: Solve for x
    x = 49,234,641,433.27/250,101.09
  6. Step 6: Final answer
    x = 196,858.96

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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.