Home / 135,739.26-187,313.86-75,309.26

Finding the Fourth Proportional to 135,739.26, 187,313.86 and 75,309.26

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Solution

The fourth proportional to 135,739.26, 187,313.86 and 75,309.26 is: 103,923.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,739.26 : 187,313.86 = 75,309.26 : x
  2. Step 2: Convert to fraction form
    135,739.26/187,313.86 = 75,309.26/x
  3. Step 3: Cross multiply
    135,739.26x = 187,313.86 × 75,309.26
  4. Step 4: Simplify right side
    135,739.26x = 14,106,468,184.34
  5. Step 5: Solve for x
    x = 14,106,468,184.34/135,739.26
  6. Step 6: Final answer
    x = 103,923.27

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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.