Home / 135,453.15-186,926.94-75,024.86

Finding the Fourth Proportional to 135,453.15, 186,926.94 and 75,024.86

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Solution

The fourth proportional to 135,453.15, 186,926.94 and 75,024.86 is: 103,535.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,453.15 : 186,926.94 = 75,024.86 : x
  2. Step 2: Convert to fraction form
    135,453.15/186,926.94 = 75,024.86/x
  3. Step 3: Cross multiply
    135,453.15x = 186,926.94 × 75,024.86
  4. Step 4: Simplify right side
    135,453.15x = 14,024,167,503.73
  5. Step 5: Solve for x
    x = 14,024,167,503.73/135,453.15
  6. Step 6: Final answer
    x = 103,535.19

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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.