Home / 89,179.07-133,782.41-30,010.12

Finding the Fourth Proportional to 89,179.07, 133,782.41 and 30,010.12

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Solution

The fourth proportional to 89,179.07, 133,782.41 and 30,010.12 is: 45,019.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,179.07 : 133,782.41 = 30,010.12 : x
  2. Step 2: Convert to fraction form
    89,179.07/133,782.41 = 30,010.12/x
  3. Step 3: Cross multiply
    89,179.07x = 133,782.41 × 30,010.12
  4. Step 4: Simplify right side
    89,179.07x = 4,014,825,918.56
  5. Step 5: Solve for x
    x = 4,014,825,918.56/89,179.07
  6. Step 6: Final answer
    x = 45,019.83

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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.