Home / 112,579.18-168,889.23-53,414.29

Finding the Fourth Proportional to 112,579.18, 168,889.23 and 53,414.29

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Solution

The fourth proportional to 112,579.18, 168,889.23 and 53,414.29 is: 80,131.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,579.18 : 168,889.23 = 53,414.29 : x
  2. Step 2: Convert to fraction form
    112,579.18/168,889.23 = 53,414.29/x
  3. Step 3: Cross multiply
    112,579.18x = 168,889.23 × 53,414.29
  4. Step 4: Simplify right side
    112,579.18x = 9,021,098,309.10
  5. Step 5: Solve for x
    x = 9,021,098,309.10/112,579.18
  6. Step 6: Final answer
    x = 80,131.14

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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.