Home / 76,172.36-114,332.32-36,757.12

Finding the Fourth Proportional to 76,172.36, 114,332.32 and 36,757.12

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Solution

The fourth proportional to 76,172.36, 114,332.32 and 36,757.12 is: 55,171.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,172.36 : 114,332.32 = 36,757.12 : x
  2. Step 2: Convert to fraction form
    76,172.36/114,332.32 = 36,757.12/x
  3. Step 3: Cross multiply
    76,172.36x = 114,332.32 × 36,757.12
  4. Step 4: Simplify right side
    76,172.36x = 4,202,526,806.12
  5. Step 5: Solve for x
    x = 4,202,526,806.12/76,172.36
  6. Step 6: Final answer
    x = 55,171.28

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1.5x scale

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.