Home / 102,745.26-154,205.37-40,459.50

Finding the Fourth Proportional to 102,745.26, 154,205.37 and 40,459.50

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Solution

The fourth proportional to 102,745.26, 154,205.37 and 40,459.50 is: 60,723.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,745.26 : 154,205.37 = 40,459.50 : x
  2. Step 2: Convert to fraction form
    102,745.26/154,205.37 = 40,459.50/x
  3. Step 3: Cross multiply
    102,745.26x = 154,205.37 × 40,459.50
  4. Step 4: Simplify right side
    102,745.26x = 6,239,072,167.52
  5. Step 5: Solve for x
    x = 6,239,072,167.52/102,745.26
  6. Step 6: Final answer
    x = 60,723.70

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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.