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Finding the Fourth Proportional to 180,045.92, 248,484.48 and 108,462.08

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Solution

The fourth proportional to 180,045.92, 248,484.48 and 108,462.08 is: 149,690.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,045.92 : 248,484.48 = 108,462.08 : x
  2. Step 2: Convert to fraction form
    180,045.92/248,484.48 = 108,462.08/x
  3. Step 3: Cross multiply
    180,045.92x = 248,484.48 × 108,462.08
  4. Step 4: Simplify right side
    180,045.92x = 26,951,143,548.52
  5. Step 5: Solve for x
    x = 26,951,143,548.52/180,045.92
  6. Step 6: Final answer
    x = 149,690.39

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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.