Home / 214,597.19-321,902.54-102,289.61

Finding the Fourth Proportional to 214,597.19, 321,902.54 and 102,289.61

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Solution

The fourth proportional to 214,597.19, 321,902.54 and 102,289.61 is: 153,437.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,597.19 : 321,902.54 = 102,289.61 : x
  2. Step 2: Convert to fraction form
    214,597.19/321,902.54 = 102,289.61/x
  3. Step 3: Cross multiply
    214,597.19x = 321,902.54 × 102,289.61
  4. Step 4: Simplify right side
    214,597.19x = 32,927,285,274.61
  5. Step 5: Solve for x
    x = 32,927,285,274.61/214,597.19
  6. Step 6: Final answer
    x = 153,437.63

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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.