Home / 135,277.24-202,915.88-76,155.36

Finding the Fourth Proportional to 135,277.24, 202,915.88 and 76,155.36

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Solution

The fourth proportional to 135,277.24, 202,915.88 and 76,155.36 is: 114,233.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,277.24 : 202,915.88 = 76,155.36 : x
  2. Step 2: Convert to fraction form
    135,277.24/202,915.88 = 76,155.36/x
  3. Step 3: Cross multiply
    135,277.24x = 202,915.88 × 76,155.36
  4. Step 4: Simplify right side
    135,277.24x = 15,453,131,891.12
  5. Step 5: Solve for x
    x = 15,453,131,891.12/135,277.24
  6. Step 6: Final answer
    x = 114,233.05

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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.