Home / 168,910.40-253,365.60-155,132.30

Finding the Fourth Proportional to 168,910.40, 253,365.60 and 155,132.30

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Solution

The fourth proportional to 168,910.40, 253,365.60 and 155,132.30 is: 232,698.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,910.40 : 253,365.60 = 155,132.30 : x
  2. Step 2: Convert to fraction form
    168,910.40/253,365.60 = 155,132.30/x
  3. Step 3: Cross multiply
    168,910.40x = 253,365.60 × 155,132.30
  4. Step 4: Simplify right side
    168,910.40x = 39,305,188,268.88
  5. Step 5: Solve for x
    x = 39,305,188,268.88/168,910.40
  6. Step 6: Final answer
    x = 232,698.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.