Home / 214,307.52-321,444.48-81,175.68

Finding the Fourth Proportional to 214,307.52, 321,444.48 and 81,175.68

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Solution

The fourth proportional to 214,307.52, 321,444.48 and 81,175.68 is: 121,757.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,307.52 : 321,444.48 = 81,175.68 : x
  2. Step 2: Convert to fraction form
    214,307.52/321,444.48 = 81,175.68/x
  3. Step 3: Cross multiply
    214,307.52x = 321,444.48 × 81,175.68
  4. Step 4: Simplify right side
    214,307.52x = 26,093,474,246.25
  5. Step 5: Solve for x
    x = 26,093,474,246.25/214,307.52
  6. Step 6: Final answer
    x = 121,757.16

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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.