Home / 165,131.20-247,648.20-46,812.88

Finding the Fourth Proportional to 165,131.20, 247,648.20 and 46,812.88

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Solution

The fourth proportional to 165,131.20, 247,648.20 and 46,812.88 is: 70,205.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,131.20 : 247,648.20 = 46,812.88 : x
  2. Step 2: Convert to fraction form
    165,131.20/247,648.20 = 46,812.88/x
  3. Step 3: Cross multiply
    165,131.20x = 247,648.20 × 46,812.88
  4. Step 4: Simplify right side
    165,131.20x = 11,593,125,468.82
  5. Step 5: Solve for x
    x = 11,593,125,468.82/165,131.20
  6. Step 6: Final answer
    x = 70,205.54

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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.