Home / 91,132.11-136,651.35-41,185.15

Finding the Fourth Proportional to 91,132.11, 136,651.35 and 41,185.15

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Solution

The fourth proportional to 91,132.11, 136,651.35 and 41,185.15 is: 61,756.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,132.11 : 136,651.35 = 41,185.15 : x
  2. Step 2: Convert to fraction form
    91,132.11/136,651.35 = 41,185.15/x
  3. Step 3: Cross multiply
    91,132.11x = 136,651.35 × 41,185.15
  4. Step 4: Simplify right side
    91,132.11x = 5,628,006,347.45
  5. Step 5: Solve for x
    x = 5,628,006,347.45/91,132.11
  6. Step 6: Final answer
    x = 61,756.57

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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.