Home / 214,266.24-321,401.88-81,110.70

Finding the Fourth Proportional to 214,266.24, 321,401.88 and 81,110.70

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Solution

The fourth proportional to 214,266.24, 321,401.88 and 81,110.70 is: 121,667.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,266.24 : 321,401.88 = 81,110.70 : x
  2. Step 2: Convert to fraction form
    214,266.24/321,401.88 = 81,110.70/x
  3. Step 3: Cross multiply
    214,266.24x = 321,401.88 × 81,110.70
  4. Step 4: Simplify right side
    214,266.24x = 26,069,131,468.12
  5. Step 5: Solve for x
    x = 26,069,131,468.12/214,266.24
  6. Step 6: Final answer
    x = 121,667.00

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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.