Home / 135,760.71-187,346.91-75,330.03

Finding the Fourth Proportional to 135,760.71, 187,346.91 and 75,330.03

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Solution

The fourth proportional to 135,760.71, 187,346.91 and 75,330.03 is: 103,953.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,760.71 : 187,346.91 = 75,330.03 : x
  2. Step 2: Convert to fraction form
    135,760.71/187,346.91 = 75,330.03/x
  3. Step 3: Cross multiply
    135,760.71x = 187,346.91 × 75,330.03
  4. Step 4: Simplify right side
    135,760.71x = 14,112,848,350.71
  5. Step 5: Solve for x
    x = 14,112,848,350.71/135,760.71
  6. Step 6: Final answer
    x = 103,953.85

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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.