Home / 268,111.16-369,998.03-147,257.54

Finding the Fourth Proportional to 268,111.16, 369,998.03 and 147,257.54

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Solution

The fourth proportional to 268,111.16, 369,998.03 and 147,257.54 is: 203,217.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,111.16 : 369,998.03 = 147,257.54 : x
  2. Step 2: Convert to fraction form
    268,111.16/369,998.03 = 147,257.54/x
  3. Step 3: Cross multiply
    268,111.16x = 369,998.03 × 147,257.54
  4. Step 4: Simplify right side
    268,111.16x = 54,485,000,861.21
  5. Step 5: Solve for x
    x = 54,485,000,861.21/268,111.16
  6. Step 6: Final answer
    x = 203,217.95

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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.