Home / 119,269.20-164,568.24-76,821.60

Finding the Fourth Proportional to 119,269.20, 164,568.24 and 76,821.60

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Solution

The fourth proportional to 119,269.20, 164,568.24 and 76,821.60 is: 105,998.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,269.20 : 164,568.24 = 76,821.60 : x
  2. Step 2: Convert to fraction form
    119,269.20/164,568.24 = 76,821.60/x
  3. Step 3: Cross multiply
    119,269.20x = 164,568.24 × 76,821.60
  4. Step 4: Simplify right side
    119,269.20x = 12,642,395,505.98
  5. Step 5: Solve for x
    x = 12,642,395,505.98/119,269.20
  6. Step 6: Final answer
    x = 105,998.83

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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.