Home / 181,738.67-272,516.45-105,861.65

Finding the Fourth Proportional to 181,738.67, 272,516.45 and 105,861.65

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Solution

The fourth proportional to 181,738.67, 272,516.45 and 105,861.65 is: 158,739.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,738.67 : 272,516.45 = 105,861.65 : x
  2. Step 2: Convert to fraction form
    181,738.67/272,516.45 = 105,861.65/x
  3. Step 3: Cross multiply
    181,738.67x = 272,516.45 × 105,861.65
  4. Step 4: Simplify right side
    181,738.67x = 28,849,039,157.25
  5. Step 5: Solve for x
    x = 28,849,039,157.25/181,738.67
  6. Step 6: Final answer
    x = 158,739.14

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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.