Home / 214,960.40-321,948.86-102,719.52

Finding the Fourth Proportional to 214,960.40, 321,948.86 and 102,719.52

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Solution

The fourth proportional to 214,960.40, 321,948.86 and 102,719.52 is: 153,844.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,960.40 : 321,948.86 = 102,719.52 : x
  2. Step 2: Convert to fraction form
    214,960.40/321,948.86 = 102,719.52/x
  3. Step 3: Cross multiply
    214,960.40x = 321,948.86 × 102,719.52
  4. Step 4: Simplify right side
    214,960.40x = 33,070,432,363.75
  5. Step 5: Solve for x
    x = 33,070,432,363.75/214,960.40
  6. Step 6: Final answer
    x = 153,844.30

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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.