Home / 180,935.40-271,208.70-68,572.20

Finding the Fourth Proportional to 180,935.40, 271,208.70 and 68,572.20

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Solution

The fourth proportional to 180,935.40, 271,208.70 and 68,572.20 is: 102,784.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,935.40 : 271,208.70 = 68,572.20 : x
  2. Step 2: Convert to fraction form
    180,935.40/271,208.70 = 68,572.20/x
  3. Step 3: Cross multiply
    180,935.40x = 271,208.70 × 68,572.20
  4. Step 4: Simplify right side
    180,935.40x = 18,597,377,218.14
  5. Step 5: Solve for x
    x = 18,597,377,218.14/180,935.40
  6. Step 6: Final answer
    x = 102,784.62

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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.