Home / 180,959.18-271,262.28-86,163.90

Finding the Fourth Proportional to 180,959.18, 271,262.28 and 86,163.90

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Solution

The fourth proportional to 180,959.18, 271,262.28 and 86,163.90 is: 129,161.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,959.18 : 271,262.28 = 86,163.90 : x
  2. Step 2: Convert to fraction form
    180,959.18/271,262.28 = 86,163.90/x
  3. Step 3: Cross multiply
    180,959.18x = 271,262.28 × 86,163.90
  4. Step 4: Simplify right side
    180,959.18x = 23,373,015,967.69
  5. Step 5: Solve for x
    x = 23,373,015,967.69/180,959.18
  6. Step 6: Final answer
    x = 129,161.81

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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.