Home / 214,307.56-321,150.30-120,613.24

Finding the Fourth Proportional to 214,307.56, 321,150.30 and 120,613.24

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Solution

The fourth proportional to 214,307.56, 321,150.30 and 120,613.24 is: 180,744.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,307.56 : 321,150.30 = 120,613.24 : x
  2. Step 2: Convert to fraction form
    214,307.56/321,150.30 = 120,613.24/x
  3. Step 3: Cross multiply
    214,307.56x = 321,150.30 × 120,613.24
  4. Step 4: Simplify right side
    214,307.56x = 38,734,978,209.97
  5. Step 5: Solve for x
    x = 38,734,978,209.97/214,307.56
  6. Step 6: Final answer
    x = 180,744.81

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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.