Home / 268,973.09-371,185.43-148,118.66

Finding the Fourth Proportional to 268,973.09, 371,185.43 and 148,118.66

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Solution

The fourth proportional to 268,973.09, 371,185.43 and 148,118.66 is: 204,405.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,973.09 : 371,185.43 = 148,118.66 : x
  2. Step 2: Convert to fraction form
    268,973.09/371,185.43 = 148,118.66/x
  3. Step 3: Cross multiply
    268,973.09x = 371,185.43 × 148,118.66
  4. Step 4: Simplify right side
    268,973.09x = 54,979,488,503.12
  5. Step 5: Solve for x
    x = 54,979,488,503.12/268,973.09
  6. Step 6: Final answer
    x = 204,405.16

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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.