Home / 195,941.66-270,145.69-126,908.30

Finding the Fourth Proportional to 195,941.66, 270,145.69 and 126,908.30

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Solution

The fourth proportional to 195,941.66, 270,145.69 and 126,908.30 is: 174,969.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,941.66 : 270,145.69 = 126,908.30 : x
  2. Step 2: Convert to fraction form
    195,941.66/270,145.69 = 126,908.30/x
  3. Step 3: Cross multiply
    195,941.66x = 270,145.69 × 126,908.30
  4. Step 4: Simplify right side
    195,941.66x = 34,283,730,628.32
  5. Step 5: Solve for x
    x = 34,283,730,628.32/195,941.66
  6. Step 6: Final answer
    x = 174,969.08

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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.