Home / 181,218.12-271,765.59-68,871.30

Finding the Fourth Proportional to 181,218.12, 271,765.59 and 68,871.30

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Solution

The fourth proportional to 181,218.12, 271,765.59 and 68,871.30 is: 103,283.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,218.12 : 271,765.59 = 68,871.30 : x
  2. Step 2: Convert to fraction form
    181,218.12/271,765.59 = 68,871.30/x
  3. Step 3: Cross multiply
    181,218.12x = 271,765.59 × 68,871.30
  4. Step 4: Simplify right side
    181,218.12x = 18,716,849,478.57
  5. Step 5: Solve for x
    x = 18,716,849,478.57/181,218.12
  6. Step 6: Final answer
    x = 103,283.54

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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.