Home / 135,799.06-203,695.46-79,993.18

Finding the Fourth Proportional to 135,799.06, 203,695.46 and 79,993.18

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Solution

The fourth proportional to 135,799.06, 203,695.46 and 79,993.18 is: 119,987.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,799.06 : 203,695.46 = 79,993.18 : x
  2. Step 2: Convert to fraction form
    135,799.06/203,695.46 = 79,993.18/x
  3. Step 3: Cross multiply
    135,799.06x = 203,695.46 × 79,993.18
  4. Step 4: Simplify right side
    135,799.06x = 16,294,247,596.96
  5. Step 5: Solve for x
    x = 16,294,247,596.96/135,799.06
  6. Step 6: Final answer
    x = 119,987.93

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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.