Home / 166,645.20-229,731.15-118,815.51

Finding the Fourth Proportional to 166,645.20, 229,731.15 and 118,815.51

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Solution

The fourth proportional to 166,645.20, 229,731.15 and 118,815.51 is: 163,794.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,645.20 : 229,731.15 = 118,815.51 : x
  2. Step 2: Convert to fraction form
    166,645.20/229,731.15 = 118,815.51/x
  3. Step 3: Cross multiply
    166,645.20x = 229,731.15 × 118,815.51
  4. Step 4: Simplify right side
    166,645.20x = 27,295,623,750.14
  5. Step 5: Solve for x
    x = 27,295,623,750.14/166,645.20
  6. Step 6: Final answer
    x = 163,794.84

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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.