Home / 74,154.46-102,333.28-40,163.02

Finding the Fourth Proportional to 74,154.46, 102,333.28 and 40,163.02

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Solution

The fourth proportional to 74,154.46, 102,333.28 and 40,163.02 is: 55,425.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,154.46 : 102,333.28 = 40,163.02 : x
  2. Step 2: Convert to fraction form
    74,154.46/102,333.28 = 40,163.02/x
  3. Step 3: Cross multiply
    74,154.46x = 102,333.28 × 40,163.02
  4. Step 4: Simplify right side
    74,154.46x = 4,110,013,571.31
  5. Step 5: Solve for x
    x = 4,110,013,571.31/74,154.46
  6. Step 6: Final answer
    x = 55,425.04

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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.