Home / 135,829.14-187,434.84-75,395.03

Finding the Fourth Proportional to 135,829.14, 187,434.84 and 75,395.03

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Solution

The fourth proportional to 135,829.14, 187,434.84 and 75,395.03 is: 104,039.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,829.14 : 187,434.84 = 75,395.03 : x
  2. Step 2: Convert to fraction form
    135,829.14/187,434.84 = 75,395.03/x
  3. Step 3: Cross multiply
    135,829.14x = 187,434.84 × 75,395.03
  4. Step 4: Simplify right side
    135,829.14x = 14,131,654,094.26
  5. Step 5: Solve for x
    x = 14,131,654,094.26/135,829.14
  6. Step 6: Final answer
    x = 104,039.93

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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.