Home / 72,157.44-108,238.02-34,197.85

Finding the Fourth Proportional to 72,157.44, 108,238.02 and 34,197.85

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Solution

The fourth proportional to 72,157.44, 108,238.02 and 34,197.85 is: 51,297.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,157.44 : 108,238.02 = 34,197.85 : x
  2. Step 2: Convert to fraction form
    72,157.44/108,238.02 = 34,197.85/x
  3. Step 3: Cross multiply
    72,157.44x = 108,238.02 × 34,197.85
  4. Step 4: Simplify right side
    72,157.44x = 3,701,507,572.26
  5. Step 5: Solve for x
    x = 3,701,507,572.26/72,157.44
  6. Step 6: Final answer
    x = 51,297.66

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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.