Home / 135,583.14-187,110.99-75,155.10

Finding the Fourth Proportional to 135,583.14, 187,110.99 and 75,155.10

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Solution

The fourth proportional to 135,583.14, 187,110.99 and 75,155.10 is: 103,717.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,583.14 : 187,110.99 = 75,155.10 : x
  2. Step 2: Convert to fraction form
    135,583.14/187,110.99 = 75,155.10/x
  3. Step 3: Cross multiply
    135,583.14x = 187,110.99 × 75,155.10
  4. Step 4: Simplify right side
    135,583.14x = 14,062,345,164.55
  5. Step 5: Solve for x
    x = 14,062,345,164.55/135,583.14
  6. Step 6: Final answer
    x = 103,717.51

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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.