Home / 216,906.22-299,328.50-124,991.73

Finding the Fourth Proportional to 216,906.22, 299,328.50 and 124,991.73

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Solution

The fourth proportional to 216,906.22, 299,328.50 and 124,991.73 is: 172,487.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,906.22 : 299,328.50 = 124,991.73 : x
  2. Step 2: Convert to fraction form
    216,906.22/299,328.50 = 124,991.73/x
  3. Step 3: Cross multiply
    216,906.22x = 299,328.50 × 124,991.73
  4. Step 4: Simplify right side
    216,906.22x = 37,413,587,925.50
  5. Step 5: Solve for x
    x = 37,413,587,925.50/216,906.22
  6. Step 6: Final answer
    x = 172,487.39

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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.