Home / 135,773.46-203,600.05-72,578.27

Finding the Fourth Proportional to 135,773.46, 203,600.05 and 72,578.27

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Solution

The fourth proportional to 135,773.46, 203,600.05 and 72,578.27 is: 108,835.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,773.46 : 203,600.05 = 72,578.27 : x
  2. Step 2: Convert to fraction form
    135,773.46/203,600.05 = 72,578.27/x
  3. Step 3: Cross multiply
    135,773.46x = 203,600.05 × 72,578.27
  4. Step 4: Simplify right side
    135,773.46x = 14,776,939,728.47
  5. Step 5: Solve for x
    x = 14,776,939,728.47/135,773.46
  6. Step 6: Final answer
    x = 108,835.26

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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.