Home / 126,187.29-189,365.11-65,453.53

Finding the Fourth Proportional to 126,187.29, 189,365.11 and 65,453.53

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Solution

The fourth proportional to 126,187.29, 189,365.11 and 65,453.53 is: 98,223.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,187.29 : 189,365.11 = 65,453.53 : x
  2. Step 2: Convert to fraction form
    126,187.29/189,365.11 = 65,453.53/x
  3. Step 3: Cross multiply
    126,187.29x = 189,365.11 × 65,453.53
  4. Step 4: Simplify right side
    126,187.29x = 12,394,614,981.41
  5. Step 5: Solve for x
    x = 12,394,614,981.41/126,187.29
  6. Step 6: Final answer
    x = 98,223.96

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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.