Home / 146,403.72-219,658.26-57,608.04

Finding the Fourth Proportional to 146,403.72, 219,658.26 and 57,608.04

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Solution

The fourth proportional to 146,403.72, 219,658.26 and 57,608.04 is: 86,432.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,403.72 : 219,658.26 = 57,608.04 : x
  2. Step 2: Convert to fraction form
    146,403.72/219,658.26 = 57,608.04/x
  3. Step 3: Cross multiply
    146,403.72x = 219,658.26 × 57,608.04
  4. Step 4: Simplify right side
    146,403.72x = 12,654,081,828.41
  5. Step 5: Solve for x
    x = 12,654,081,828.41/146,403.72
  6. Step 6: Final answer
    x = 86,432.79

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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.