Home / 91,219.70-136,826.55-41,299.80

Finding the Fourth Proportional to 91,219.70, 136,826.55 and 41,299.80

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Solution

The fourth proportional to 91,219.70, 136,826.55 and 41,299.80 is: 61,948.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,219.70 : 136,826.55 = 41,299.80 : x
  2. Step 2: Convert to fraction form
    91,219.70/136,826.55 = 41,299.80/x
  3. Step 3: Cross multiply
    91,219.70x = 136,826.55 × 41,299.80
  4. Step 4: Simplify right side
    91,219.70x = 5,650,909,149.69
  5. Step 5: Solve for x
    x = 5,650,909,149.69/91,219.70
  6. Step 6: Final answer
    x = 61,948.34

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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.