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Finding the Fourth Proportional to 162,982.80, 244,328.40 and 106,849.80

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Solution

The fourth proportional to 162,982.80, 244,328.40 and 106,849.80 is: 160,179.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,982.80 : 244,328.40 = 106,849.80 : x
  2. Step 2: Convert to fraction form
    162,982.80/244,328.40 = 106,849.80/x
  3. Step 3: Cross multiply
    162,982.80x = 244,328.40 × 106,849.80
  4. Step 4: Simplify right side
    162,982.80x = 26,106,440,674.32
  5. Step 5: Solve for x
    x = 26,106,440,674.32/162,982.80
  6. Step 6: Final answer
    x = 160,179.12

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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.