Home / 209,867.52-289,608.72-114,372.16

Finding the Fourth Proportional to 209,867.52, 289,608.72 and 114,372.16

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Solution

The fourth proportional to 209,867.52, 289,608.72 and 114,372.16 is: 157,828.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,867.52 : 289,608.72 = 114,372.16 : x
  2. Step 2: Convert to fraction form
    209,867.52/289,608.72 = 114,372.16/x
  3. Step 3: Cross multiply
    209,867.52x = 289,608.72 × 114,372.16
  4. Step 4: Simplify right side
    209,867.52x = 33,123,174,861.24
  5. Step 5: Solve for x
    x = 33,123,174,861.24/209,867.52
  6. Step 6: Final answer
    x = 157,828.97

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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.