Home / 162,786.80-244,180.20-103,664.90

Finding the Fourth Proportional to 162,786.80, 244,180.20 and 103,664.90

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Solution

The fourth proportional to 162,786.80, 244,180.20 and 103,664.90 is: 155,497.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,786.80 : 244,180.20 = 103,664.90 : x
  2. Step 2: Convert to fraction form
    162,786.80/244,180.20 = 103,664.90/x
  3. Step 3: Cross multiply
    162,786.80x = 244,180.20 × 103,664.90
  4. Step 4: Simplify right side
    162,786.80x = 25,312,916,014.98
  5. Step 5: Solve for x
    x = 25,312,916,014.98/162,786.80
  6. Step 6: Final answer
    x = 155,497.35

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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.