Home / 135,041.60-186,352.44-80,596.64

Finding the Fourth Proportional to 135,041.60, 186,352.44 and 80,596.64

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Solution

The fourth proportional to 135,041.60, 186,352.44 and 80,596.64 is: 111,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,041.60 : 186,352.44 = 80,596.64 : x
  2. Step 2: Convert to fraction form
    135,041.60/186,352.44 = 80,596.64/x
  3. Step 3: Cross multiply
    135,041.60x = 186,352.44 × 80,596.64
  4. Step 4: Simplify right side
    135,041.60x = 15,019,380,519.80
  5. Step 5: Solve for x
    x = 15,019,380,519.80/135,041.60
  6. Step 6: Final answer
    x = 111,220.40

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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.