Home / 214,211.90-321,010.04-120,519.74

Finding the Fourth Proportional to 214,211.90, 321,010.04 and 120,519.74

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Solution

The fourth proportional to 214,211.90, 321,010.04 and 120,519.74 is: 180,606.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,211.90 : 321,010.04 = 120,519.74 : x
  2. Step 2: Convert to fraction form
    214,211.90/321,010.04 = 120,519.74/x
  3. Step 3: Cross multiply
    214,211.90x = 321,010.04 × 120,519.74
  4. Step 4: Simplify right side
    214,211.90x = 38,688,046,558.19
  5. Step 5: Solve for x
    x = 38,688,046,558.19/214,211.90
  6. Step 6: Final answer
    x = 180,606.43

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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.