Home / 109,719.72-164,579.58-26,613

Finding the Fourth Proportional to 109,719.72, 164,579.58 and 26,613

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Solution

The fourth proportional to 109,719.72, 164,579.58 and 26,613 is: 39,919.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,719.72 : 164,579.58 = 26,613 : x
  2. Step 2: Convert to fraction form
    109,719.72/164,579.58 = 26,613/x
  3. Step 3: Cross multiply
    109,719.72x = 164,579.58 × 26,613
  4. Step 4: Simplify right side
    109,719.72x = 4,379,956,362.54
  5. Step 5: Solve for x
    x = 4,379,956,362.54/109,719.72
  6. Step 6: Final answer
    x = 39,919.50

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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.