Home / 218,929.03-302,121.92-118,327.03

Finding the Fourth Proportional to 218,929.03, 302,121.92 and 118,327.03

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Solution

The fourth proportional to 218,929.03, 302,121.92 and 118,327.03 is: 163,291.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,929.03 : 302,121.92 = 118,327.03 : x
  2. Step 2: Convert to fraction form
    218,929.03/302,121.92 = 118,327.03/x
  3. Step 3: Cross multiply
    218,929.03x = 302,121.92 × 118,327.03
  4. Step 4: Simplify right side
    218,929.03x = 35,749,188,366.42
  5. Step 5: Solve for x
    x = 35,749,188,366.42/218,929.03
  6. Step 6: Final answer
    x = 163,291.22

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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.