Home / 214,453.83-321,695.73-88,100.45

Finding the Fourth Proportional to 214,453.83, 321,695.73 and 88,100.45

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Solution

The fourth proportional to 214,453.83, 321,695.73 and 88,100.45 is: 132,156.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,453.83 : 321,695.73 = 88,100.45 : x
  2. Step 2: Convert to fraction form
    214,453.83/321,695.73 = 88,100.45/x
  3. Step 3: Cross multiply
    214,453.83x = 321,695.73 × 88,100.45
  4. Step 4: Simplify right side
    214,453.83x = 28,341,536,967.60
  5. Step 5: Solve for x
    x = 28,341,536,967.60/214,453.83
  6. Step 6: Final answer
    x = 132,156.82

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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.