Home / 125,198.35-187,797.48-30,428.04

Finding the Fourth Proportional to 125,198.35, 187,797.48 and 30,428.04

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Solution

The fourth proportional to 125,198.35, 187,797.48 and 30,428.04 is: 45,642.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,198.35 : 187,797.48 = 30,428.04 : x
  2. Step 2: Convert to fraction form
    125,198.35/187,797.48 = 30,428.04/x
  3. Step 3: Cross multiply
    125,198.35x = 187,797.48 × 30,428.04
  4. Step 4: Simplify right side
    125,198.35x = 5,714,309,233.34
  5. Step 5: Solve for x
    x = 5,714,309,233.34/125,198.35
  6. Step 6: Final answer
    x = 45,642.05

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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.