Home / 272,095.03-408,145.96-72,414.18

Finding the Fourth Proportional to 272,095.03, 408,145.96 and 72,414.18

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Solution

The fourth proportional to 272,095.03, 408,145.96 and 72,414.18 is: 108,622.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,095.03 : 408,145.96 = 72,414.18 : x
  2. Step 2: Convert to fraction form
    272,095.03/408,145.96 = 72,414.18/x
  3. Step 3: Cross multiply
    272,095.03x = 408,145.96 × 72,414.18
  4. Step 4: Simplify right side
    272,095.03x = 29,555,554,651.64
  5. Step 5: Solve for x
    x = 29,555,554,651.64/272,095.03
  6. Step 6: Final answer
    x = 108,622.18

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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.