Home / 131,722.60-197,438.94-65,064.04

Finding the Fourth Proportional to 131,722.60, 197,438.94 and 65,064.04

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Solution

The fourth proportional to 131,722.60, 197,438.94 and 65,064.04 is: 97,524.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,722.60 : 197,438.94 = 65,064.04 : x
  2. Step 2: Convert to fraction form
    131,722.60/197,438.94 = 65,064.04/x
  3. Step 3: Cross multiply
    131,722.60x = 197,438.94 × 65,064.04
  4. Step 4: Simplify right side
    131,722.60x = 12,846,175,089.72
  5. Step 5: Solve for x
    x = 12,846,175,089.72/131,722.60
  6. Step 6: Final answer
    x = 97,524.46

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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.