Home / 135,589.78-187,094.24-75,160.41

Finding the Fourth Proportional to 135,589.78, 187,094.24 and 75,160.41

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Solution

The fourth proportional to 135,589.78, 187,094.24 and 75,160.41 is: 103,710.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,589.78 : 187,094.24 = 75,160.41 : x
  2. Step 2: Convert to fraction form
    135,589.78/187,094.24 = 75,160.41/x
  3. Step 3: Cross multiply
    135,589.78x = 187,094.24 × 75,160.41
  4. Step 4: Simplify right side
    135,589.78x = 14,062,078,991.48
  5. Step 5: Solve for x
    x = 14,062,078,991.48/135,589.78
  6. Step 6: Final answer
    x = 103,710.46

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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.