Home / 214,464.86-321,488.06-102,114.89

Finding the Fourth Proportional to 214,464.86, 321,488.06 and 102,114.89

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Solution

The fourth proportional to 214,464.86, 321,488.06 and 102,114.89 is: 153,072.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,464.86 : 321,488.06 = 102,114.89 : x
  2. Step 2: Convert to fraction form
    214,464.86/321,488.06 = 102,114.89/x
  3. Step 3: Cross multiply
    214,464.86x = 321,488.06 × 102,114.89
  4. Step 4: Simplify right side
    214,464.86x = 32,828,715,765.20
  5. Step 5: Solve for x
    x = 32,828,715,765.20/214,464.86
  6. Step 6: Final answer
    x = 153,072.71

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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.