Home / 135,589.89-187,094.39-75,160.50

Finding the Fourth Proportional to 135,589.89, 187,094.39 and 75,160.50

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Solution

The fourth proportional to 135,589.89, 187,094.39 and 75,160.50 is: 103,710.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,589.89 : 187,094.39 = 75,160.50 : x
  2. Step 2: Convert to fraction form
    135,589.89/187,094.39 = 75,160.50/x
  3. Step 3: Cross multiply
    135,589.89x = 187,094.39 × 75,160.50
  4. Step 4: Simplify right side
    135,589.89x = 14,062,107,523.79
  5. Step 5: Solve for x
    x = 14,062,107,523.79/135,589.89
  6. Step 6: Final answer
    x = 103,710.59

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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.