Home / 158,564.56-218,933.91-102,074.35

Finding the Fourth Proportional to 158,564.56, 218,933.91 and 102,074.35

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Solution

The fourth proportional to 158,564.56, 218,933.91 and 102,074.35 is: 140,936.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,564.56 : 218,933.91 = 102,074.35 : x
  2. Step 2: Convert to fraction form
    158,564.56/218,933.91 = 102,074.35/x
  3. Step 3: Cross multiply
    158,564.56x = 218,933.91 × 102,074.35
  4. Step 4: Simplify right side
    158,564.56x = 22,347,536,556.21
  5. Step 5: Solve for x
    x = 22,347,536,556.21/158,564.56
  6. Step 6: Final answer
    x = 140,936.52

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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.