Home / 180,278.83-270,344.43-80,370.69

Finding the Fourth Proportional to 180,278.83, 270,344.43 and 80,370.69

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Solution

The fourth proportional to 180,278.83, 270,344.43 and 80,370.69 is: 120,523.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,278.83 : 270,344.43 = 80,370.69 : x
  2. Step 2: Convert to fraction form
    180,278.83/270,344.43 = 80,370.69/x
  3. Step 3: Cross multiply
    180,278.83x = 270,344.43 × 80,370.69
  4. Step 4: Simplify right side
    180,278.83x = 21,727,768,376.76
  5. Step 5: Solve for x
    x = 21,727,768,376.76/180,278.83
  6. Step 6: Final answer
    x = 120,523.13

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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.