Home / 181,516.24-250,477.98-100,939

Finding the Fourth Proportional to 181,516.24, 250,477.98 and 100,939

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Solution

The fourth proportional to 181,516.24, 250,477.98 and 100,939 is: 139,287.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,516.24 : 250,477.98 = 100,939 : x
  2. Step 2: Convert to fraction form
    181,516.24/250,477.98 = 100,939/x
  3. Step 3: Cross multiply
    181,516.24x = 250,477.98 × 100,939
  4. Step 4: Simplify right side
    181,516.24x = 25,282,996,823.22
  5. Step 5: Solve for x
    x = 25,282,996,823.22/181,516.24
  6. Step 6: Final answer
    x = 139,287.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.