Home / 181,154.80-271,732.20-139,682.80

Finding the Fourth Proportional to 181,154.80, 271,732.20 and 139,682.80

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Solution

The fourth proportional to 181,154.80, 271,732.20 and 139,682.80 is: 209,524.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,154.80 : 271,732.20 = 139,682.80 : x
  2. Step 2: Convert to fraction form
    181,154.80/271,732.20 = 139,682.80/x
  3. Step 3: Cross multiply
    181,154.80x = 271,732.20 × 139,682.80
  4. Step 4: Simplify right side
    181,154.80x = 37,956,314,546.16
  5. Step 5: Solve for x
    x = 37,956,314,546.16/181,154.80
  6. Step 6: Final answer
    x = 209,524.20

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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.