Home / 214,250.90-321,521.54-87,913.98

Finding the Fourth Proportional to 214,250.90, 321,521.54 and 87,913.98

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Solution

The fourth proportional to 214,250.90, 321,521.54 and 87,913.98 is: 131,930.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,250.90 : 321,521.54 = 87,913.98 : x
  2. Step 2: Convert to fraction form
    214,250.90/321,521.54 = 87,913.98/x
  3. Step 3: Cross multiply
    214,250.90x = 321,521.54 × 87,913.98
  4. Step 4: Simplify right side
    214,250.90x = 28,266,237,797.56
  5. Step 5: Solve for x
    x = 28,266,237,797.56/214,250.90
  6. Step 6: Final answer
    x = 131,930.55

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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.