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Finding the Fourth Proportional to 181,462.72, 250,418.64 and 104,992.24

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Solution

The fourth proportional to 181,462.72, 250,418.64 and 104,992.24 is: 144,889.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,462.72 : 250,418.64 = 104,992.24 : x
  2. Step 2: Convert to fraction form
    181,462.72/250,418.64 = 104,992.24/x
  3. Step 3: Cross multiply
    181,462.72x = 250,418.64 × 104,992.24
  4. Step 4: Simplify right side
    181,462.72x = 26,292,013,951.35
  5. Step 5: Solve for x
    x = 26,292,013,951.35/181,462.72
  6. Step 6: Final answer
    x = 144,889.34

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1.5x scale

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.