Home / 91,146.27-125,788.94-50,318.39

Finding the Fourth Proportional to 91,146.27, 125,788.94 and 50,318.39

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Solution

The fourth proportional to 91,146.27, 125,788.94 and 50,318.39 is: 69,443.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,146.27 : 125,788.94 = 50,318.39 : x
  2. Step 2: Convert to fraction form
    91,146.27/125,788.94 = 50,318.39/x
  3. Step 3: Cross multiply
    91,146.27x = 125,788.94 × 50,318.39
  4. Step 4: Simplify right side
    91,146.27x = 6,329,497,380.87
  5. Step 5: Solve for x
    x = 6,329,497,380.87/91,146.27
  6. Step 6: Final answer
    x = 69,443.30

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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.