Home / 251,003.38-376,509.57-91,192.81

Finding the Fourth Proportional to 251,003.38, 376,509.57 and 91,192.81

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Solution

The fourth proportional to 251,003.38, 376,509.57 and 91,192.81 is: 136,790.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,003.38 : 376,509.57 = 91,192.81 : x
  2. Step 2: Convert to fraction form
    251,003.38/376,509.57 = 91,192.81/x
  3. Step 3: Cross multiply
    251,003.38x = 376,509.57 × 91,192.81
  4. Step 4: Simplify right side
    251,003.38x = 34,334,964,396.94
  5. Step 5: Solve for x
    x = 34,334,964,396.94/251,003.38
  6. Step 6: Final answer
    x = 136,790.85

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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.