Home / 103,989.42-156,003.57-41,664.78

Finding the Fourth Proportional to 103,989.42, 156,003.57 and 41,664.78

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Solution

The fourth proportional to 103,989.42, 156,003.57 and 41,664.78 is: 62,504.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,989.42 : 156,003.57 = 41,664.78 : x
  2. Step 2: Convert to fraction form
    103,989.42/156,003.57 = 41,664.78/x
  3. Step 3: Cross multiply
    103,989.42x = 156,003.57 × 41,664.78
  4. Step 4: Simplify right side
    103,989.42x = 6,499,854,423.26
  5. Step 5: Solve for x
    x = 6,499,854,423.26/103,989.42
  6. Step 6: Final answer
    x = 62,504.96

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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.