Home / 91,130.43-136,679.88-41,198.91

Finding the Fourth Proportional to 91,130.43, 136,679.88 and 41,198.91

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Solution

The fourth proportional to 91,130.43, 136,679.88 and 41,198.91 is: 61,791.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,130.43 : 136,679.88 = 41,198.91 : x
  2. Step 2: Convert to fraction form
    91,130.43/136,679.88 = 41,198.91/x
  3. Step 3: Cross multiply
    91,130.43x = 136,679.88 × 41,198.91
  4. Step 4: Simplify right side
    91,130.43x = 5,631,062,074.93
  5. Step 5: Solve for x
    x = 5,631,062,074.93/91,130.43
  6. Step 6: Final answer
    x = 61,791.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.