Home / 214,359.40-321,320.40-125,567.20

Finding the Fourth Proportional to 214,359.40, 321,320.40 and 125,567.20

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Solution

The fourth proportional to 214,359.40, 321,320.40 and 125,567.20 is: 188,222.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,359.40 : 321,320.40 = 125,567.20 : x
  2. Step 2: Convert to fraction form
    214,359.40/321,320.40 = 125,567.20/x
  3. Step 3: Cross multiply
    214,359.40x = 321,320.40 × 125,567.20
  4. Step 4: Simplify right side
    214,359.40x = 40,347,302,930.88
  5. Step 5: Solve for x
    x = 40,347,302,930.88/214,359.40
  6. Step 6: Final answer
    x = 188,222.69

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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.