Home / 216,215.62-298,298.49-125,539.30

Finding the Fourth Proportional to 216,215.62, 298,298.49 and 125,539.30

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Solution

The fourth proportional to 216,215.62, 298,298.49 and 125,539.30 is: 173,198.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,215.62 : 298,298.49 = 125,539.30 : x
  2. Step 2: Convert to fraction form
    216,215.62/298,298.49 = 125,539.30/x
  3. Step 3: Cross multiply
    216,215.62x = 298,298.49 × 125,539.30
  4. Step 4: Simplify right side
    216,215.62x = 37,448,183,625.66
  5. Step 5: Solve for x
    x = 37,448,183,625.66/216,215.62
  6. Step 6: Final answer
    x = 173,198.33

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1.5x scale

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.