Home / 162,193-243,420.54-68,764.36

Finding the Fourth Proportional to 162,193, 243,420.54 and 68,764.36

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Solution

The fourth proportional to 162,193, 243,420.54 and 68,764.36 is: 103,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,193 : 243,420.54 = 68,764.36 : x
  2. Step 2: Convert to fraction form
    162,193/243,420.54 = 68,764.36/x
  3. Step 3: Cross multiply
    162,193x = 243,420.54 × 68,764.36
  4. Step 4: Simplify right side
    162,193x = 16,738,657,643.95
  5. Step 5: Solve for x
    x = 16,738,657,643.95/162,193
  6. Step 6: Final answer
    x = 103,202.10

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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.