Home / 214,526.49-321,744.17-81,360.06

Finding the Fourth Proportional to 214,526.49, 321,744.17 and 81,360.06

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Solution

The fourth proportional to 214,526.49, 321,744.17 and 81,360.06 is: 122,022.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,526.49 : 321,744.17 = 81,360.06 : x
  2. Step 2: Convert to fraction form
    214,526.49/321,744.17 = 81,360.06/x
  3. Step 3: Cross multiply
    214,526.49x = 321,744.17 × 81,360.06
  4. Step 4: Simplify right side
    214,526.49x = 26,177,124,569.05
  5. Step 5: Solve for x
    x = 26,177,124,569.05/214,526.49
  6. Step 6: Final answer
    x = 122,022.81

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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.