Home / 146,982.72-202,836.96-86,556

Finding the Fourth Proportional to 146,982.72, 202,836.96 and 86,556

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Solution

The fourth proportional to 146,982.72, 202,836.96 and 86,556 is: 119,447.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,982.72 : 202,836.96 = 86,556 : x
  2. Step 2: Convert to fraction form
    146,982.72/202,836.96 = 86,556/x
  3. Step 3: Cross multiply
    146,982.72x = 202,836.96 × 86,556
  4. Step 4: Simplify right side
    146,982.72x = 17,556,755,909.76
  5. Step 5: Solve for x
    x = 17,556,755,909.76/146,982.72
  6. Step 6: Final answer
    x = 119,447.75

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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.