Home / 133,311.57-199,967.56-53,385.53

Finding the Fourth Proportional to 133,311.57, 199,967.56 and 53,385.53

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Solution

The fourth proportional to 133,311.57, 199,967.56 and 53,385.53 is: 80,078.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,311.57 : 199,967.56 = 53,385.53 : x
  2. Step 2: Convert to fraction form
    133,311.57/199,967.56 = 53,385.53/x
  3. Step 3: Cross multiply
    133,311.57x = 199,967.56 × 53,385.53
  4. Step 4: Simplify right side
    133,311.57x = 10,675,374,173.41
  5. Step 5: Solve for x
    x = 10,675,374,173.41/133,311.57
  6. Step 6: Final answer
    x = 80,078.38

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1.5x scale

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.