Home / 135,926.61-187,584.96-75,497.47

Finding the Fourth Proportional to 135,926.61, 187,584.96 and 75,497.47

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Solution

The fourth proportional to 135,926.61, 187,584.96 and 75,497.47 is: 104,189.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,926.61 : 187,584.96 = 75,497.47 : x
  2. Step 2: Convert to fraction form
    135,926.61/187,584.96 = 75,497.47/x
  3. Step 3: Cross multiply
    135,926.61x = 187,584.96 × 75,497.47
  4. Step 4: Simplify right side
    135,926.61x = 14,162,189,704.20
  5. Step 5: Solve for x
    x = 14,162,189,704.20/135,926.61
  6. Step 6: Final answer
    x = 104,189.97

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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.