Home / 106,839.60-160,216.20-36,682.80

Finding the Fourth Proportional to 106,839.60, 160,216.20 and 36,682.80

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Solution

The fourth proportional to 106,839.60, 160,216.20 and 36,682.80 is: 55,009.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,839.60 : 160,216.20 = 36,682.80 : x
  2. Step 2: Convert to fraction form
    106,839.60/160,216.20 = 36,682.80/x
  3. Step 3: Cross multiply
    106,839.60x = 160,216.20 × 36,682.80
  4. Step 4: Simplify right side
    106,839.60x = 5,877,178,821.36
  5. Step 5: Solve for x
    x = 5,877,178,821.36/106,839.60
  6. Step 6: Final answer
    x = 55,009.37

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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.