Home / 74,205.45-102,419.00-68,227.65

Finding the Fourth Proportional to 74,205.45, 102,419.00 and 68,227.65

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Solution

The fourth proportional to 74,205.45, 102,419.00 and 68,227.65 is: 94,168.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,205.45 : 102,419.00 = 68,227.65 : x
  2. Step 2: Convert to fraction form
    74,205.45/102,419.00 = 68,227.65/x
  3. Step 3: Cross multiply
    74,205.45x = 102,419.00 × 68,227.65
  4. Step 4: Simplify right side
    74,205.45x = 6,987,807,344.21
  5. Step 5: Solve for x
    x = 6,987,807,344.21/74,205.45
  6. Step 6: Final answer
    x = 94,168.38

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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.