Home / 135,719.56-187,292.77-75,299.41

Finding the Fourth Proportional to 135,719.56, 187,292.77 and 75,299.41

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Solution

The fourth proportional to 135,719.56, 187,292.77 and 75,299.41 is: 103,913.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,719.56 : 187,292.77 = 75,299.41 : x
  2. Step 2: Convert to fraction form
    135,719.56/187,292.77 = 75,299.41/x
  3. Step 3: Cross multiply
    135,719.56x = 187,292.77 × 75,299.41
  4. Step 4: Simplify right side
    135,719.56x = 14,103,035,078.27
  5. Step 5: Solve for x
    x = 14,103,035,078.27/135,719.56
  6. Step 6: Final answer
    x = 103,913.06

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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.