Home / 181,000.82-249,782.22-100,429.91

Finding the Fourth Proportional to 181,000.82, 249,782.22 and 100,429.91

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Solution

The fourth proportional to 181,000.82, 249,782.22 and 100,429.91 is: 138,593.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,000.82 : 249,782.22 = 100,429.91 : x
  2. Step 2: Convert to fraction form
    181,000.82/249,782.22 = 100,429.91/x
  3. Step 3: Cross multiply
    181,000.82x = 249,782.22 × 100,429.91
  4. Step 4: Simplify right side
    181,000.82x = 25,085,605,874.20
  5. Step 5: Solve for x
    x = 25,085,605,874.20/181,000.82
  6. Step 6: Final answer
    x = 138,593.88

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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.