Home / 135,945.27-187,528.88-126,323.31

Finding the Fourth Proportional to 135,945.27, 187,528.88 and 126,323.31

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Solution

The fourth proportional to 135,945.27, 187,528.88 and 126,323.31 is: 174,255.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,945.27 : 187,528.88 = 126,323.31 : x
  2. Step 2: Convert to fraction form
    135,945.27/187,528.88 = 126,323.31/x
  3. Step 3: Cross multiply
    135,945.27x = 187,528.88 × 126,323.31
  4. Step 4: Simplify right side
    135,945.27x = 23,689,269,861.23
  5. Step 5: Solve for x
    x = 23,689,269,861.23/135,945.27
  6. Step 6: Final answer
    x = 174,255.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.