Home / 91,220.70-136,828.05-41,300.80

Finding the Fourth Proportional to 91,220.70, 136,828.05 and 41,300.80

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Solution

The fourth proportional to 91,220.70, 136,828.05 and 41,300.80 is: 61,949.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,220.70 : 136,828.05 = 41,300.80 : x
  2. Step 2: Convert to fraction form
    91,220.70/136,828.05 = 41,300.80/x
  3. Step 3: Cross multiply
    91,220.70x = 136,828.05 × 41,300.80
  4. Step 4: Simplify right side
    91,220.70x = 5,651,107,927.44
  5. Step 5: Solve for x
    x = 5,651,107,927.44/91,220.70
  6. Step 6: Final answer
    x = 61,949.84

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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.