Home / 135,635.04-187,174.42-75,205.80

Finding the Fourth Proportional to 135,635.04, 187,174.42 and 75,205.80

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Solution

The fourth proportional to 135,635.04, 187,174.42 and 75,205.80 is: 103,782.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,635.04 : 187,174.42 = 75,205.80 : x
  2. Step 2: Convert to fraction form
    135,635.04/187,174.42 = 75,205.80/x
  3. Step 3: Cross multiply
    135,635.04x = 187,174.42 × 75,205.80
  4. Step 4: Simplify right side
    135,635.04x = 14,076,601,995.64
  5. Step 5: Solve for x
    x = 14,076,601,995.64/135,635.04
  6. Step 6: Final answer
    x = 103,782.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.