Home / 126,083.06-189,167.79-43,035.38

Finding the Fourth Proportional to 126,083.06, 189,167.79 and 43,035.38

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Solution

The fourth proportional to 126,083.06, 189,167.79 and 43,035.38 is: 64,567.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,083.06 : 189,167.79 = 43,035.38 : x
  2. Step 2: Convert to fraction form
    126,083.06/189,167.79 = 43,035.38/x
  3. Step 3: Cross multiply
    126,083.06x = 189,167.79 × 43,035.38
  4. Step 4: Simplify right side
    126,083.06x = 8,140,907,726.41
  5. Step 5: Solve for x
    x = 8,140,907,726.41/126,083.06
  6. Step 6: Final answer
    x = 64,567.82

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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.