Home / 166,506.36-229,709.10-109,159.44

Finding the Fourth Proportional to 166,506.36, 229,709.10 and 109,159.44

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Solution

The fourth proportional to 166,506.36, 229,709.10 and 109,159.44 is: 150,594.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,506.36 : 229,709.10 = 109,159.44 : x
  2. Step 2: Convert to fraction form
    166,506.36/229,709.10 = 109,159.44/x
  3. Step 3: Cross multiply
    166,506.36x = 229,709.10 × 109,159.44
  4. Step 4: Simplify right side
    166,506.36x = 25,074,916,718.90
  5. Step 5: Solve for x
    x = 25,074,916,718.90/166,506.36
  6. Step 6: Final answer
    x = 150,594.35

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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.