Home / 208,822.20-313,233.30-125,878.20

Finding the Fourth Proportional to 208,822.20, 313,233.30 and 125,878.20

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Solution

The fourth proportional to 208,822.20, 313,233.30 and 125,878.20 is: 188,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,822.20 : 313,233.30 = 125,878.20 : x
  2. Step 2: Convert to fraction form
    208,822.20/313,233.30 = 125,878.20/x
  3. Step 3: Cross multiply
    208,822.20x = 313,233.30 × 125,878.20
  4. Step 4: Simplify right side
    208,822.20x = 39,429,243,984.06
  5. Step 5: Solve for x
    x = 39,429,243,984.06/208,822.20
  6. Step 6: Final answer
    x = 188,817.30

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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.