Home / 182,972.20-274,458.30-129,828.10

Finding the Fourth Proportional to 182,972.20, 274,458.30 and 129,828.10

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Solution

The fourth proportional to 182,972.20, 274,458.30 and 129,828.10 is: 194,742.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,972.20 : 274,458.30 = 129,828.10 : x
  2. Step 2: Convert to fraction form
    182,972.20/274,458.30 = 129,828.10/x
  3. Step 3: Cross multiply
    182,972.20x = 274,458.30 × 129,828.10
  4. Step 4: Simplify right side
    182,972.20x = 35,632,399,618.23
  5. Step 5: Solve for x
    x = 35,632,399,618.23/182,972.20
  6. Step 6: Final answer
    x = 194,742.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.