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Finding the Fourth Proportional to 165,360.96, 248,035.88 and 71,866.72

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Solution

The fourth proportional to 165,360.96, 248,035.88 and 71,866.72 is: 107,797.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,360.96 : 248,035.88 = 71,866.72 : x
  2. Step 2: Convert to fraction form
    165,360.96/248,035.88 = 71,866.72/x
  3. Step 3: Cross multiply
    165,360.96x = 248,035.88 × 71,866.72
  4. Step 4: Simplify right side
    165,360.96x = 17,825,525,137.91
  5. Step 5: Solve for x
    x = 17,825,525,137.91/165,360.96
  6. Step 6: Final answer
    x = 107,797.66

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1.5x scale

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.