Home / 212,887.72-293,763.54-117,391.96

Finding the Fourth Proportional to 212,887.72, 293,763.54 and 117,391.96

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Solution

The fourth proportional to 212,887.72, 293,763.54 and 117,391.96 is: 161,989.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,887.72 : 293,763.54 = 117,391.96 : x
  2. Step 2: Convert to fraction form
    212,887.72/293,763.54 = 117,391.96/x
  3. Step 3: Cross multiply
    212,887.72x = 293,763.54 × 117,391.96
  4. Step 4: Simplify right side
    212,887.72x = 34,485,477,737.14
  5. Step 5: Solve for x
    x = 34,485,477,737.14/212,887.72
  6. Step 6: Final answer
    x = 161,989.04

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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.