Home / 80,144.81-120,228.15-33,386.75

Finding the Fourth Proportional to 80,144.81, 120,228.15 and 33,386.75

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Solution

The fourth proportional to 80,144.81, 120,228.15 and 33,386.75 is: 50,084.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,144.81 : 120,228.15 = 33,386.75 : x
  2. Step 2: Convert to fraction form
    80,144.81/120,228.15 = 33,386.75/x
  3. Step 3: Cross multiply
    80,144.81x = 120,228.15 × 33,386.75
  4. Step 4: Simplify right side
    80,144.81x = 4,014,027,187.01
  5. Step 5: Solve for x
    x = 4,014,027,187.01/80,144.81
  6. Step 6: Final answer
    x = 50,084.68

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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.