Home / 164,824.20-247,244.40-86,092.20

Finding the Fourth Proportional to 164,824.20, 247,244.40 and 86,092.20

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Solution

The fourth proportional to 164,824.20, 247,244.40 and 86,092.20 is: 129,142.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,824.20 : 247,244.40 = 86,092.20 : x
  2. Step 2: Convert to fraction form
    164,824.20/247,244.40 = 86,092.20/x
  3. Step 3: Cross multiply
    164,824.20x = 247,244.40 × 86,092.20
  4. Step 4: Simplify right side
    164,824.20x = 21,285,814,333.68
  5. Step 5: Solve for x
    x = 21,285,814,333.68/164,824.20
  6. Step 6: Final answer
    x = 129,142.53

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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.