Home / 99,450.14-137,241.21-54,738.14

Finding the Fourth Proportional to 99,450.14, 137,241.21 and 54,738.14

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Solution

The fourth proportional to 99,450.14, 137,241.21 and 54,738.14 is: 75,538.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,450.14 : 137,241.21 = 54,738.14 : x
  2. Step 2: Convert to fraction form
    99,450.14/137,241.21 = 54,738.14/x
  3. Step 3: Cross multiply
    99,450.14x = 137,241.21 × 54,738.14
  4. Step 4: Simplify right side
    99,450.14x = 7,512,328,566.75
  5. Step 5: Solve for x
    x = 7,512,328,566.75/99,450.14
  6. Step 6: Final answer
    x = 75,538.64

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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.