Home / 180,887.34-271,320.04-81,020.72

Finding the Fourth Proportional to 180,887.34, 271,320.04 and 81,020.72

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Solution

The fourth proportional to 180,887.34, 271,320.04 and 81,020.72 is: 121,526.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,887.34 : 271,320.04 = 81,020.72 : x
  2. Step 2: Convert to fraction form
    180,887.34/271,320.04 = 81,020.72/x
  3. Step 3: Cross multiply
    180,887.34x = 271,320.04 × 81,020.72
  4. Step 4: Simplify right side
    180,887.34x = 21,982,545,770.80
  5. Step 5: Solve for x
    x = 21,982,545,770.80/180,887.34
  6. Step 6: Final answer
    x = 121,526.17

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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.