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Finding the Fourth Proportional to 180,244.93, 248,739.62 and 99,677.88

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Solution

The fourth proportional to 180,244.93, 248,739.62 and 99,677.88 is: 137,556.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,244.93 : 248,739.62 = 99,677.88 : x
  2. Step 2: Convert to fraction form
    180,244.93/248,739.62 = 99,677.88/x
  3. Step 3: Cross multiply
    180,244.93x = 248,739.62 × 99,677.88
  4. Step 4: Simplify right side
    180,244.93x = 24,793,837,993.61
  5. Step 5: Solve for x
    x = 24,793,837,993.61/180,244.93
  6. Step 6: Final answer
    x = 137,556.37

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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.