Home / 91,219.20-136,825.80-41,299.30

Finding the Fourth Proportional to 91,219.20, 136,825.80 and 41,299.30

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Solution

The fourth proportional to 91,219.20, 136,825.80 and 41,299.30 is: 61,947.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,219.20 : 136,825.80 = 41,299.30 : x
  2. Step 2: Convert to fraction form
    91,219.20/136,825.80 = 41,299.30/x
  3. Step 3: Cross multiply
    91,219.20x = 136,825.80 × 41,299.30
  4. Step 4: Simplify right side
    91,219.20x = 5,650,809,761.94
  5. Step 5: Solve for x
    x = 5,650,809,761.94/91,219.20
  6. Step 6: Final answer
    x = 61,947.59

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1.5x scale

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.