Home / 151,505.64-209,078.82-84,441.96

Finding the Fourth Proportional to 151,505.64, 209,078.82 and 84,441.96

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Solution

The fourth proportional to 151,505.64, 209,078.82 and 84,441.96 is: 116,530.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,505.64 : 209,078.82 = 84,441.96 : x
  2. Step 2: Convert to fraction form
    151,505.64/209,078.82 = 84,441.96/x
  3. Step 3: Cross multiply
    151,505.64x = 209,078.82 × 84,441.96
  4. Step 4: Simplify right side
    151,505.64x = 17,655,025,355.29
  5. Step 5: Solve for x
    x = 17,655,025,355.29/151,505.64
  6. Step 6: Final answer
    x = 116,530.48

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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.