Home / 181,465.31-250,410.29-100,889.85

Finding the Fourth Proportional to 181,465.31, 250,410.29 and 100,889.85

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Solution

The fourth proportional to 181,465.31, 250,410.29 and 100,889.85 is: 139,221.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,465.31 : 250,410.29 = 100,889.85 : x
  2. Step 2: Convert to fraction form
    181,465.31/250,410.29 = 100,889.85/x
  3. Step 3: Cross multiply
    181,465.31x = 250,410.29 × 100,889.85
  4. Step 4: Simplify right side
    181,465.31x = 25,263,857,031.15
  5. Step 5: Solve for x
    x = 25,263,857,031.15/181,465.31
  6. Step 6: Final answer
    x = 139,221.41

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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.