Home / 131,768.36-197,581.44-68,432.23

Finding the Fourth Proportional to 131,768.36, 197,581.44 and 68,432.23

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Solution

The fourth proportional to 131,768.36, 197,581.44 and 68,432.23 is: 102,611.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,768.36 : 197,581.44 = 68,432.23 : x
  2. Step 2: Convert to fraction form
    131,768.36/197,581.44 = 68,432.23/x
  3. Step 3: Cross multiply
    131,768.36x = 197,581.44 × 68,432.23
  4. Step 4: Simplify right side
    131,768.36x = 13,520,938,545.81
  5. Step 5: Solve for x
    x = 13,520,938,545.81/131,768.36
  6. Step 6: Final answer
    x = 102,611.42

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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.