Home / 268,192.84-402,289.25-68,513.66

Finding the Fourth Proportional to 268,192.84, 402,289.25 and 68,513.66

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Solution

The fourth proportional to 268,192.84, 402,289.25 and 68,513.66 is: 102,770.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,192.84 : 402,289.25 = 68,513.66 : x
  2. Step 2: Convert to fraction form
    268,192.84/402,289.25 = 68,513.66/x
  3. Step 3: Cross multiply
    268,192.84x = 402,289.25 × 68,513.66
  4. Step 4: Simplify right side
    268,192.84x = 27,562,308,896.16
  5. Step 5: Solve for x
    x = 27,562,308,896.16/268,192.84
  6. Step 6: Final answer
    x = 102,770.49

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1.5x scale

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.