Home / 109,719.70-164,579.56-26,613.70

Finding the Fourth Proportional to 109,719.70, 164,579.56 and 26,613.70

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Solution

The fourth proportional to 109,719.70, 164,579.56 and 26,613.70 is: 39,920.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,719.70 : 164,579.56 = 26,613.70 : x
  2. Step 2: Convert to fraction form
    109,719.70/164,579.56 = 26,613.70/x
  3. Step 3: Cross multiply
    109,719.70x = 164,579.56 × 26,613.70
  4. Step 4: Simplify right side
    109,719.70x = 4,380,071,035.97
  5. Step 5: Solve for x
    x = 4,380,071,035.97/109,719.70
  6. Step 6: Final answer
    x = 39,920.55

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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.