Home / 199,458.16-274,872.36-142,771.12

Finding the Fourth Proportional to 199,458.16, 274,872.36 and 142,771.12

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Solution

The fourth proportional to 199,458.16, 274,872.36 and 142,771.12 is: 196,752.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,458.16 : 274,872.36 = 142,771.12 : x
  2. Step 2: Convert to fraction form
    199,458.16/274,872.36 = 142,771.12/x
  3. Step 3: Cross multiply
    199,458.16x = 274,872.36 × 142,771.12
  4. Step 4: Simplify right side
    199,458.16x = 39,243,834,694.24
  5. Step 5: Solve for x
    x = 39,243,834,694.24/199,458.16
  6. Step 6: Final answer
    x = 196,752.21

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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.