Home / 135,923.84-187,576.08-79,324.16

Finding the Fourth Proportional to 135,923.84, 187,576.08 and 79,324.16

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Solution

The fourth proportional to 135,923.84, 187,576.08 and 79,324.16 is: 109,468.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,923.84 : 187,576.08 = 79,324.16 : x
  2. Step 2: Convert to fraction form
    135,923.84/187,576.08 = 79,324.16/x
  3. Step 3: Cross multiply
    135,923.84x = 187,576.08 × 79,324.16
  4. Step 4: Simplify right side
    135,923.84x = 14,879,314,982.09
  5. Step 5: Solve for x
    x = 14,879,314,982.09/135,923.84
  6. Step 6: Final answer
    x = 109,468.03

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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.