Home / 135,333.50-186,757.96-74,902.85

Finding the Fourth Proportional to 135,333.50, 186,757.96 and 74,902.85

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Solution

The fourth proportional to 135,333.50, 186,757.96 and 74,902.85 is: 103,364.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,333.50 : 186,757.96 = 74,902.85 : x
  2. Step 2: Convert to fraction form
    135,333.50/186,757.96 = 74,902.85/x
  3. Step 3: Cross multiply
    135,333.50x = 186,757.96 × 74,902.85
  4. Step 4: Simplify right side
    135,333.50x = 13,988,703,183.92
  5. Step 5: Solve for x
    x = 13,988,703,183.92/135,333.50
  6. Step 6: Final answer
    x = 103,364.68

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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.