Home / 89,180.07-133,783.91-30,011.12

Finding the Fourth Proportional to 89,180.07, 133,783.91 and 30,011.12

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Solution

The fourth proportional to 89,180.07, 133,783.91 and 30,011.12 is: 45,021.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,180.07 : 133,783.91 = 30,011.12 : x
  2. Step 2: Convert to fraction form
    89,180.07/133,783.91 = 30,011.12/x
  3. Step 3: Cross multiply
    89,180.07x = 133,783.91 × 30,011.12
  4. Step 4: Simplify right side
    89,180.07x = 4,015,004,977.08
  5. Step 5: Solve for x
    x = 4,015,004,977.08/89,180.07
  6. Step 6: Final answer
    x = 45,021.33

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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.