Home / 214,468.80-321,703.20-148,113.60

Finding the Fourth Proportional to 214,468.80, 321,703.20 and 148,113.60

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Solution

The fourth proportional to 214,468.80, 321,703.20 and 148,113.60 is: 222,170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,468.80 : 321,703.20 = 148,113.60 : x
  2. Step 2: Convert to fraction form
    214,468.80/321,703.20 = 148,113.60/x
  3. Step 3: Cross multiply
    214,468.80x = 321,703.20 × 148,113.60
  4. Step 4: Simplify right side
    214,468.80x = 47,648,619,083.52
  5. Step 5: Solve for x
    x = 47,648,619,083.52/214,468.80
  6. Step 6: Final answer
    x = 222,170.40

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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.