Home / 154,693.26-231,580.54-84,359.34

Finding the Fourth Proportional to 154,693.26, 231,580.54 and 84,359.34

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Solution

The fourth proportional to 154,693.26, 231,580.54 and 84,359.34 is: 126,288.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,693.26 : 231,580.54 = 84,359.34 : x
  2. Step 2: Convert to fraction form
    154,693.26/231,580.54 = 84,359.34/x
  3. Step 3: Cross multiply
    154,693.26x = 231,580.54 × 84,359.34
  4. Step 4: Simplify right side
    154,693.26x = 19,535,981,511.24
  5. Step 5: Solve for x
    x = 19,535,981,511.24/154,693.26
  6. Step 6: Final answer
    x = 126,288.51

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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.