Home / 162,769.89-244,312.65-78,589.44

Finding the Fourth Proportional to 162,769.89, 244,312.65 and 78,589.44

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Solution

The fourth proportional to 162,769.89, 244,312.65 and 78,589.44 is: 117,960.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,769.89 : 244,312.65 = 78,589.44 : x
  2. Step 2: Convert to fraction form
    162,769.89/244,312.65 = 78,589.44/x
  3. Step 3: Cross multiply
    162,769.89x = 244,312.65 × 78,589.44
  4. Step 4: Simplify right side
    162,769.89x = 19,200,394,348.42
  5. Step 5: Solve for x
    x = 19,200,394,348.42/162,769.89
  6. Step 6: Final answer
    x = 117,960.36

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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.