Home / 135,999.20-203,998.80-57,092.24

Finding the Fourth Proportional to 135,999.20, 203,998.80 and 57,092.24

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Solution

The fourth proportional to 135,999.20, 203,998.80 and 57,092.24 is: 85,638.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,999.20 : 203,998.80 = 57,092.24 : x
  2. Step 2: Convert to fraction form
    135,999.20/203,998.80 = 57,092.24/x
  3. Step 3: Cross multiply
    135,999.20x = 203,998.80 × 57,092.24
  4. Step 4: Simplify right side
    135,999.20x = 11,646,748,449.31
  5. Step 5: Solve for x
    x = 11,646,748,449.31/135,999.20
  6. Step 6: Final answer
    x = 85,638.36

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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.