Home / 196,632.12-271,464.30-129,758.52

Finding the Fourth Proportional to 196,632.12, 271,464.30 and 129,758.52

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Solution

The fourth proportional to 196,632.12, 271,464.30 and 129,758.52 is: 179,140.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,632.12 : 271,464.30 = 129,758.52 : x
  2. Step 2: Convert to fraction form
    196,632.12/271,464.30 = 129,758.52/x
  3. Step 3: Cross multiply
    196,632.12x = 271,464.30 × 129,758.52
  4. Step 4: Simplify right side
    196,632.12x = 35,224,805,800.84
  5. Step 5: Solve for x
    x = 35,224,805,800.84/196,632.12
  6. Step 6: Final answer
    x = 179,140.65

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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.