Home / 133,456.31-199,977.09-84,104.63

Finding the Fourth Proportional to 133,456.31, 199,977.09 and 84,104.63

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Solution

The fourth proportional to 133,456.31, 199,977.09 and 84,104.63 is: 126,026.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,456.31 : 199,977.09 = 84,104.63 : x
  2. Step 2: Convert to fraction form
    133,456.31/199,977.09 = 84,104.63/x
  3. Step 3: Cross multiply
    133,456.31x = 199,977.09 × 84,104.63
  4. Step 4: Simplify right side
    133,456.31x = 16,818,998,163.04
  5. Step 5: Solve for x
    x = 16,818,998,163.04/133,456.31
  6. Step 6: Final answer
    x = 126,026.25

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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.