Home / 117,719.70-176,579.55-82,290.30

Finding the Fourth Proportional to 117,719.70, 176,579.55 and 82,290.30

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Solution

The fourth proportional to 117,719.70, 176,579.55 and 82,290.30 is: 123,435.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,719.70 : 176,579.55 = 82,290.30 : x
  2. Step 2: Convert to fraction form
    117,719.70/176,579.55 = 82,290.30/x
  3. Step 3: Cross multiply
    117,719.70x = 176,579.55 × 82,290.30
  4. Step 4: Simplify right side
    117,719.70x = 14,530,784,143.37
  5. Step 5: Solve for x
    x = 14,530,784,143.37/117,719.70
  6. Step 6: Final answer
    x = 123,435.45

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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.