Home / 181,738.13-272,644.11-75,131.62

Finding the Fourth Proportional to 181,738.13, 272,644.11 and 75,131.62

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Solution

The fourth proportional to 181,738.13, 272,644.11 and 75,131.62 is: 112,712.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,738.13 : 272,644.11 = 75,131.62 : x
  2. Step 2: Convert to fraction form
    181,738.13/272,644.11 = 75,131.62/x
  3. Step 3: Cross multiply
    181,738.13x = 272,644.11 × 75,131.62
  4. Step 4: Simplify right side
    181,738.13x = 20,484,192,986.15
  5. Step 5: Solve for x
    x = 20,484,192,986.15/181,738.13
  6. Step 6: Final answer
    x = 112,712.69

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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.