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Finding the Fourth Proportional to 117,446.00, 176,111.59 and 81,924.34

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Solution

The fourth proportional to 117,446.00, 176,111.59 and 81,924.34 is: 122,846.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,446.00 : 176,111.59 = 81,924.34 : x
  2. Step 2: Convert to fraction form
    117,446.00/176,111.59 = 81,924.34/x
  3. Step 3: Cross multiply
    117,446.00x = 176,111.59 × 81,924.34
  4. Step 4: Simplify right side
    117,446.00x = 14,427,825,350.93
  5. Step 5: Solve for x
    x = 14,427,825,350.93/117,446.00
  6. Step 6: Final answer
    x = 122,846.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.