Home / 135,914.82-187,564.77-74,663.59

Finding the Fourth Proportional to 135,914.82, 187,564.77 and 74,663.59

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Solution

The fourth proportional to 135,914.82, 187,564.77 and 74,663.59 is: 103,037.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,914.82 : 187,564.77 = 74,663.59 : x
  2. Step 2: Convert to fraction form
    135,914.82/187,564.77 = 74,663.59/x
  3. Step 3: Cross multiply
    135,914.82x = 187,564.77 × 74,663.59
  4. Step 4: Simplify right side
    135,914.82x = 14,004,259,085.72
  5. Step 5: Solve for x
    x = 14,004,259,085.72/135,914.82
  6. Step 6: Final answer
    x = 103,037.03

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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.