Home / 199,661.16-275,153.58-142,974.12

Finding the Fourth Proportional to 199,661.16, 275,153.58 and 142,974.12

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Solution

The fourth proportional to 199,661.16, 275,153.58 and 142,974.12 is: 197,033.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,661.16 : 275,153.58 = 142,974.12 : x
  2. Step 2: Convert to fraction form
    199,661.16/275,153.58 = 142,974.12/x
  3. Step 3: Cross multiply
    199,661.16x = 275,153.58 × 142,974.12
  4. Step 4: Simplify right side
    199,661.16x = 39,339,840,965.35
  5. Step 5: Solve for x
    x = 39,339,840,965.35/199,661.16
  6. Step 6: Final answer
    x = 197,033.02

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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.