Home / 151,636.20-227,108.70-89,428.20

Finding the Fourth Proportional to 151,636.20, 227,108.70 and 89,428.20

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Solution

The fourth proportional to 151,636.20, 227,108.70 and 89,428.20 is: 133,938.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,636.20 : 227,108.70 = 89,428.20 : x
  2. Step 2: Convert to fraction form
    151,636.20/227,108.70 = 89,428.20/x
  3. Step 3: Cross multiply
    151,636.20x = 227,108.70 × 89,428.20
  4. Step 4: Simplify right side
    151,636.20x = 20,309,922,245.34
  5. Step 5: Solve for x
    x = 20,309,922,245.34/151,636.20
  6. Step 6: Final answer
    x = 133,938.48

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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.