Home / 199,664.15-275,535.14-109,020.06

Finding the Fourth Proportional to 199,664.15, 275,535.14 and 109,020.06

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Solution

The fourth proportional to 199,664.15, 275,535.14 and 109,020.06 is: 150,446.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,664.15 : 275,535.14 = 109,020.06 : x
  2. Step 2: Convert to fraction form
    199,664.15/275,535.14 = 109,020.06/x
  3. Step 3: Cross multiply
    199,664.15x = 275,535.14 × 109,020.06
  4. Step 4: Simplify right side
    199,664.15x = 30,038,857,869.66
  5. Step 5: Solve for x
    x = 30,038,857,869.66/199,664.15
  6. Step 6: Final answer
    x = 150,446.93

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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.