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Finding the Fourth Proportional to 135,662.67, 187,224.12 and 75,239.10

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Solution

The fourth proportional to 135,662.67, 187,224.12 and 75,239.10 is: 103,835.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,662.67 : 187,224.12 = 75,239.10 : x
  2. Step 2: Convert to fraction form
    135,662.67/187,224.12 = 75,239.10/x
  3. Step 3: Cross multiply
    135,662.67x = 187,224.12 × 75,239.10
  4. Step 4: Simplify right side
    135,662.67x = 14,086,574,287.09
  5. Step 5: Solve for x
    x = 14,086,574,287.09/135,662.67
  6. Step 6: Final answer
    x = 103,835.30

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1.5x scale

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.