Home / 100,127.24-150,171.72-30,006.56

Finding the Fourth Proportional to 100,127.24, 150,171.72 and 30,006.56

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Solution

The fourth proportional to 100,127.24, 150,171.72 and 30,006.56 is: 45,004.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,127.24 : 150,171.72 = 30,006.56 : x
  2. Step 2: Convert to fraction form
    100,127.24/150,171.72 = 30,006.56/x
  3. Step 3: Cross multiply
    100,127.24x = 150,171.72 × 30,006.56
  4. Step 4: Simplify right side
    100,127.24x = 4,506,135,975.62
  5. Step 5: Solve for x
    x = 4,506,135,975.62/100,127.24
  6. Step 6: Final answer
    x = 45,004.10

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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.