Home / 151,511.57-227,334.31-79,447.28

Finding the Fourth Proportional to 151,511.57, 227,334.31 and 79,447.28

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Solution

The fourth proportional to 151,511.57, 227,334.31 and 79,447.28 is: 119,206.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,511.57 : 227,334.31 = 79,447.28 : x
  2. Step 2: Convert to fraction form
    151,511.57/227,334.31 = 79,447.28/x
  3. Step 3: Cross multiply
    151,511.57x = 227,334.31 × 79,447.28
  4. Step 4: Simplify right side
    151,511.57x = 18,061,092,970.53
  5. Step 5: Solve for x
    x = 18,061,092,970.53/151,511.57
  6. Step 6: Final answer
    x = 119,206.03

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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.