Home / 170,511.40-255,786.30-52,181.80

Finding the Fourth Proportional to 170,511.40, 255,786.30 and 52,181.80

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Solution

The fourth proportional to 170,511.40, 255,786.30 and 52,181.80 is: 78,278.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,511.40 : 255,786.30 = 52,181.80 : x
  2. Step 2: Convert to fraction form
    170,511.40/255,786.30 = 52,181.80/x
  3. Step 3: Cross multiply
    170,511.40x = 255,786.30 × 52,181.80
  4. Step 4: Simplify right side
    170,511.40x = 13,347,389,549.34
  5. Step 5: Solve for x
    x = 13,347,389,549.34/170,511.40
  6. Step 6: Final answer
    x = 78,278.58

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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.