Home / 199,664.46-275,534.84-109,020.15

Finding the Fourth Proportional to 199,664.46, 275,534.84 and 109,020.15

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Solution

The fourth proportional to 199,664.46, 275,534.84 and 109,020.15 is: 150,446.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,664.46 : 275,534.84 = 109,020.15 : x
  2. Step 2: Convert to fraction form
    199,664.46/275,534.84 = 109,020.15/x
  3. Step 3: Cross multiply
    199,664.46x = 275,534.84 × 109,020.15
  4. Step 4: Simplify right side
    199,664.46x = 30,038,849,859.58
  5. Step 5: Solve for x
    x = 30,038,849,859.58/199,664.46
  6. Step 6: Final answer
    x = 150,446.65

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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.