Home / 214,101.60-321,152.40-125,455.20

Finding the Fourth Proportional to 214,101.60, 321,152.40 and 125,455.20

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Solution

The fourth proportional to 214,101.60, 321,152.40 and 125,455.20 is: 188,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,101.60 : 321,152.40 = 125,455.20 : x
  2. Step 2: Convert to fraction form
    214,101.60/321,152.40 = 125,455.20/x
  3. Step 3: Cross multiply
    214,101.60x = 321,152.40 × 125,455.20
  4. Step 4: Simplify right side
    214,101.60x = 40,290,238,572.48
  5. Step 5: Solve for x
    x = 40,290,238,572.48/214,101.60
  6. Step 6: Final answer
    x = 188,182.80

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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.