Home / 135,993.77-187,667.39-75,562.91

Finding the Fourth Proportional to 135,993.77, 187,667.39 and 75,562.91

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Solution

The fourth proportional to 135,993.77, 187,667.39 and 75,562.91 is: 104,274.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,993.77 : 187,667.39 = 75,562.91 : x
  2. Step 2: Convert to fraction form
    135,993.77/187,667.39 = 75,562.91/x
  3. Step 3: Cross multiply
    135,993.77x = 187,667.39 × 75,562.91
  4. Step 4: Simplify right side
    135,993.77x = 14,180,693,722.69
  5. Step 5: Solve for x
    x = 14,180,693,722.69/135,993.77
  6. Step 6: Final answer
    x = 104,274.58

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1.5x scale

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.