Home / 218,949.19-302,098.37-132,906.05

Finding the Fourth Proportional to 218,949.19, 302,098.37 and 132,906.05

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Solution

The fourth proportional to 218,949.19, 302,098.37 and 132,906.05 is: 183,379.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,949.19 : 302,098.37 = 132,906.05 : x
  2. Step 2: Convert to fraction form
    218,949.19/302,098.37 = 132,906.05/x
  3. Step 3: Cross multiply
    218,949.19x = 302,098.37 × 132,906.05
  4. Step 4: Simplify right side
    218,949.19x = 40,150,700,403.61
  5. Step 5: Solve for x
    x = 40,150,700,403.61/218,949.19
  6. Step 6: Final answer
    x = 183,379.08

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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.