Home / 165,014.20-247,521.30-145,331.20

Finding the Fourth Proportional to 165,014.20, 247,521.30 and 145,331.20

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Solution

The fourth proportional to 165,014.20, 247,521.30 and 145,331.20 is: 217,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,014.20 : 247,521.30 = 145,331.20 : x
  2. Step 2: Convert to fraction form
    165,014.20/247,521.30 = 145,331.20/x
  3. Step 3: Cross multiply
    165,014.20x = 247,521.30 × 145,331.20
  4. Step 4: Simplify right side
    165,014.20x = 35,972,567,554.56
  5. Step 5: Solve for x
    x = 35,972,567,554.56/165,014.20
  6. Step 6: Final answer
    x = 217,996.80

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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.