Home / 214,836.36-321,763.95-102,595.56

Finding the Fourth Proportional to 214,836.36, 321,763.95 and 102,595.56

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Solution

The fourth proportional to 214,836.36, 321,763.95 and 102,595.56 is: 153,659.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,836.36 : 321,763.95 = 102,595.56 : x
  2. Step 2: Convert to fraction form
    214,836.36/321,763.95 = 102,595.56/x
  3. Step 3: Cross multiply
    214,836.36x = 321,763.95 × 102,595.56
  4. Step 4: Simplify right side
    214,836.36x = 33,011,552,638.06
  5. Step 5: Solve for x
    x = 33,011,552,638.06/214,836.36
  6. Step 6: Final answer
    x = 153,659.06

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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.