Home / 181,899.99-251,012.25-100,225.71

Finding the Fourth Proportional to 181,899.99, 251,012.25 and 100,225.71

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Solution

The fourth proportional to 181,899.99, 251,012.25 and 100,225.71 is: 138,306.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,899.99 : 251,012.25 = 100,225.71 : x
  2. Step 2: Convert to fraction form
    181,899.99/251,012.25 = 100,225.71/x
  3. Step 3: Cross multiply
    181,899.99x = 251,012.25 × 100,225.71
  4. Step 4: Simplify right side
    181,899.99x = 25,157,880,974.95
  5. Step 5: Solve for x
    x = 25,157,880,974.95/181,899.99
  6. Step 6: Final answer
    x = 138,306.12

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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.