Home / 214,300.90-321,451.34-72,134.25

Finding the Fourth Proportional to 214,300.90, 321,451.34 and 72,134.25

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Solution

The fourth proportional to 214,300.90, 321,451.34 and 72,134.25 is: 108,201.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,300.90 : 321,451.34 = 72,134.25 : x
  2. Step 2: Convert to fraction form
    214,300.90/321,451.34 = 72,134.25/x
  3. Step 3: Cross multiply
    214,300.90x = 321,451.34 × 72,134.25
  4. Step 4: Simplify right side
    214,300.90x = 23,187,649,756.28
  5. Step 5: Solve for x
    x = 23,187,649,756.28/214,300.90
  6. Step 6: Final answer
    x = 108,201.36

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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.