Home / 142,212.11-196,244.57-84,916.05

Finding the Fourth Proportional to 142,212.11, 196,244.57 and 84,916.05

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Solution

The fourth proportional to 142,212.11, 196,244.57 and 84,916.05 is: 117,179.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,212.11 : 196,244.57 = 84,916.05 : x
  2. Step 2: Convert to fraction form
    142,212.11/196,244.57 = 84,916.05/x
  3. Step 3: Cross multiply
    142,212.11x = 196,244.57 × 84,916.05
  4. Step 4: Simplify right side
    142,212.11x = 16,664,313,194.72
  5. Step 5: Solve for x
    x = 16,664,313,194.72/142,212.11
  6. Step 6: Final answer
    x = 117,179.29

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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.